{"title":"Pool Filter Media","description":"\u003cp\u003eFind fine and coarse glass filter media for swimming pool filtration. Check the grade and quantity required by your filter before ordering.\u003c\/p\u003e\u003cdiv style=\"display:flex;flex-wrap:wrap;gap:8px;margin:16px 0 24px\"\u003e\n\u003ca href=\"\/collections\/pool-filters\" style=\"display:inline-block;padding:12px 14px;border:1px solid #d5e3ee;border-radius:6px;background:#f2f7fb;color:#0f4686;font-weight:600;text-decoration:none;line-height:20px\"\u003ePool Filters\u003c\/a\u003e\u003ca href=\"\/collections\/pool-filter-cartridges\" style=\"display:inline-block;padding:12px 14px;border:1px solid #d5e3ee;border-radius:6px;background:#f2f7fb;color:#0f4686;font-weight:600;text-decoration:none;line-height:20px\"\u003ePool Filter Cartridges\u003c\/a\u003e\n\u003c\/div\u003e","products":[{"product_id":"active-glass-filter-media-15kg-fine","title":"Active Glass Filter Media 15kg Fine | Advanced Pool Filter Media Upgrade","description":"\u003cp\u003eActive Fine Glass Filter Media is the top-layer component of a high-performance active glass filtration setup. Carrying a permanent negative electrical charge (Zeta Potential) applied during manufacturing, it attracts and captures organic molecules, bacteria, and fine particles that sand or conventional glass media cannot trap. The result is noticeably clearer pool water, reduced backwash demand, and a lower overall maintenance burden.\u003c\/p\u003e\n\u003cp\u003eFor a full two-grade setup, pair this fine grade with our \u003ca href=\"\/products\/active-glass-filter-media-15kg\"\u003e\u003cstrong\u003eActive Glass Filter Media 15kg Coarse Grade\u003c\/strong\u003e\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch3\u003eProduct Specifications\u003c\/h3\u003e\n\u003ctable style=\"width:100%;border-collapse:collapse;margin:20px 0;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"background:#f5f5f5;\"\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003e\u003cstrong\u003eMedia Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003eActive negatively charged recycled glass (Zeta Potential)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003e\u003cstrong\u003eGrade\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003eFine (1mm to 3mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f5f5f5;\"\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003e\u003cstrong\u003eFilter Bed Position\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003eTop 65% of filter bed\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003e\u003cstrong\u003eBag Weight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003e15kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f5f5f5;\"\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003e\u003cstrong\u003eFiltration Rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003eDown to 5 microns at 20m3\/m2 filter area flow rate\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003e\u003cstrong\u003eComparison\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003eSand and conventional glass filter to 20-30 microns\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f5f5f5;\"\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003e\u003cstrong\u003eBackwash Saving\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003eUp to 50% less water flow required vs sand or conventional glass\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003e100% recycled plate glass\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f5f5f5;\"\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003e\u003cstrong\u003epH Dependency\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003eNone - effective across all standard pool water pH ranges\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003e\u003cstrong\u003eCompatible With\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003eStandard sand filter tanks, variable speed pump systems\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePermanently Negatively Charged.\u003c\/strong\u003e Zeta Potential charge lasts for the life of the media, continuously attracting fine particles and organic molecules.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFilters Down to 5 Microns.\u003c\/strong\u003e Far finer than sand or conventional glass media (20-30 microns) for visibly clearer water.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReduces Backwash Demand.\u003c\/strong\u003e May require up to 50% less water flow to backwash effectively, saving water and energy.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReduces Bacteria and Virus Load.\u003c\/strong\u003e Leaves more free chlorine available to sanitise pool water, lowering chemical consumption.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003epH Independent Performance.\u003c\/strong\u003e Works effectively across varying pool water conditions year-round.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVariable Speed Pump Compatible.\u003c\/strong\u003e Performs effectively at lower flow rates for energy-efficient pool systems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e100% Recycled Plate Glass.\u003c\/strong\u003e A sustainable, environmentally responsible filtration choice.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e30% Faster Clarity.\u003c\/strong\u003e Independent testing shows active glass media cleared cloudy water 30% faster than sand or conventional glass media.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHow the Two-Grade Setup Works\u003c\/h3\u003e\n\u003cp\u003eActive glass filter media is used in two grades that work together for optimal performance. The fine grade (1-3mm) fills the top 65% of the filter bed, sitting above the coarse grade base layer (3-7mm). This two-grade configuration maximises filtration surface area and debris capture across the full depth of the filter.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFine grade (1-3mm):\u003c\/strong\u003e Top 65% of the filter bed (this product)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCoarse grade (3-7mm):\u003c\/strong\u003e Bottom layer of the filter bed\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv style=\"background-color:#e3f2fd;border-left:4px solid #1976d2;padding:15px;margin:20px 0;\"\u003e\u003cp style=\"margin:0;\"\u003e\u003cstrong\u003eNeed help selecting the right quantity?\u003c\/strong\u003e \u003ca href=\"\/pages\/contact\"\u003eContact us\u003c\/a\u003e with your filter type and we will advise on media volume and bulk pricing for combination orders.\u003c\/p\u003e\u003c\/div\u003e\n\u003ch3\u003eRecommended Accessories\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/active-glass-filter-media-15kg\"\u003e\u003cstrong\u003eActive Glass Filter Media 15kg Coarse Grade\u003c\/strong\u003e\u003c\/a\u003e - pair with fine grade for a complete two-grade active glass filter bed.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/8144495673497\"\u003e\u003cstrong\u003eP400 Swimming Pool Filter\u003c\/strong\u003e\u003c\/a\u003e - up to 36,000L, supplied with active glass media included.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/8144533356697\"\u003e\u003cstrong\u003eP550 Swimming Pool Filter\u003c\/strong\u003e\u003c\/a\u003e - up to 57,000L, supplied with active glass media included.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/5-in-1-pool-spa-test-strips-25-pack\"\u003e\u003cstrong\u003e5-in-1 Test Strips\u003c\/strong\u003e\u003c\/a\u003e - test water chemistry after filter media upgrade.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is the difference between glass media and sand?\u003c\/strong\u003e\u003cbr\u003eA: Sand filters pool water down to 20-30 microns. Active glass filter media filters down to 5 microns, capturing far finer particles for cleaner, clearer water. Glass media also lasts longer, requires less frequent backwashing, and inhibits bacteria growth within the filter bed.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What makes active glass media different from standard glass media?\u003c\/strong\u003e\u003cbr\u003eA: Active glass media carries a permanent negative electrical charge (Zeta Potential) applied during manufacturing. This charge attracts organic molecules, bacteria, and fine particles that standard glass media cannot capture. The charge lasts for the life of the media and works regardless of pool water pH.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is it a direct replacement for sand in my existing filter?\u003c\/strong\u003e\u003cbr\u003eA: Yes, active glass filter media is a direct drop-in replacement for silica sand in standard sand filter tanks. No modifications to your filter are required.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does it help reduce backwashing?\u003c\/strong\u003e\u003cbr\u003eA: Yes. Active glass media may require up to 50% less water flow to backwash effectively compared with sand or conventional glass media, resulting in meaningful water and energy savings over time.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is it suitable for variable speed pumps?\u003c\/strong\u003e\u003cbr\u003eA: Yes. Active glass media performs effectively at lower flow rates, making it well suited to variable speed pump systems running at reduced speeds for energy efficiency.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is it made from recycled glass?\u003c\/strong\u003e\u003cbr\u003eA: Yes. Active glass filter media is made from 100% recycled plate glass, making it a sustainable and environmentally responsible alternative to virgin silica sand.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Will it reduce my chemical usage?\u003c\/strong\u003e\u003cbr\u003eA: It can help. By reducing bacteria and organic load within the filter bed, more free chlorine remains available to sanitise the pool water, which can result in lower overall chemical consumption and reduced combined chlorine levels.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How much do I need for my filter?\u003c\/strong\u003e\u003cbr\u003eA: Check your filter manufacturer's guidelines for media loading depth and total media volume required. \u003ca href=\"\/pages\/contact\"\u003eContact us\u003c\/a\u003e with your filter model if you need help calculating the right quantity.\u003c\/p\u003e\n\u003ch3\u003ePickup and Delivery\u003c\/h3\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/maps.google.com\/?q=15C+Douglas+Alexander+Parade+Albany+Auckland\" target=\"_blank\" rel=\"noopener\"\u003e\u003cstrong\u003ePerfect Pools Service Warehouse\u003c\/strong\u003e - 15C Douglas Alexander Parade, Albany, Auckland\u003c\/a\u003e\u003cbr\u003e\n\u003cstrong\u003eHours:\u003c\/strong\u003e Mon-Fri 9am-4pm | Sat 10am-2pm\u003cbr\u003e\nNZ-wide delivery available. Charges calculated at checkout.\u003cbr\u003e\nQuestions? Email \u003ca href=\"mailto:perfectpoolsnz@gmail.com\"\u003eperfectpoolsnz@gmail.com\u003c\/a\u003e or visit our \u003ca href=\"\/pages\/contact\"\u003econtact page\u003c\/a\u003e.\n\u003c\/p\u003e","brand":"Perfect Pools NZ","offers":[{"title":"Default Title","offer_id":42149595414681,"sku":"CHEM-GLASS-MEDIA-15KG-F","price":51.9,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0443\/7514\/6649\/files\/01c156b5-e92f-da5d-c9.png?v=1775701188"},{"product_id":"active-glass-filter-media-15kg-coarse","title":"Active Glass Filter Media 15kg Coarse | Advanced Pool Filter Media Upgrade","description":"\u003cp\u003eActive Glass Filter Media is an advanced pool filtration media engineered to outperform both traditional silica sand and conventional glass media. Unlike standard filter media, it carries a permanent negative electrical charge (Zeta Potential) applied during manufacturing, continuously attracting organic molecules for superior filtration. The result is cleaner water, more efficient backwashing, and a lower overall maintenance burden for your pool.\u003c\/p\u003e\n\n\u003cdiv style=\"background-color: #e8f5e9; border-left: 4px solid #388e3c; padding: 15px; margin: 20px 0;\"\u003e\n\u003cp style=\"margin: 0;\"\u003e\u003cstrong\u003eThis listing is for the Coarse grade (3mm to 7mm)\u003c\/strong\u003e - used as the bottom layer of the filter bed. Pair with \u003ca href=\"\/products\/active-glass-filter-media-15kg-fine\"\u003eActive Glass Filter Media 15kg Fine Grade\u003c\/a\u003e to fill the top 65% of the filter bed for optimal performance.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003ch3\u003eProduct Specifications\u003c\/h3\u003e\n\u003ctable style=\"width:100%;border-collapse:collapse;margin:20px 0;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"background:#f5f5f5;\"\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003e\u003cstrong\u003eMedia Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003eActive negatively charged recycled glass (Zeta Potential)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003e\u003cstrong\u003eGrade\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003eCoarse (3mm to 7mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f5f5f5;\"\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003e\u003cstrong\u003eFilter Bed Position\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003eBottom layer of the filter bed\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003e\u003cstrong\u003eBag Weight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003e15kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f5f5f5;\"\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003e\u003cstrong\u003eFiltration Rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003eDown to 5 microns at 20m3\/m2 filter area flow rate\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003e\u003cstrong\u003eComparison\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003eSand and conventional glass filter to 20-30 microns\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f5f5f5;\"\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003e\u003cstrong\u003eBackwash Saving\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003eUp to 50% less water flow required vs sand or conventional glass\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003e100% recycled plate glass\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f5f5f5;\"\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003e\u003cstrong\u003epH Dependency\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003eNone - effective across all standard pool water pH ranges\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003e\u003cstrong\u003eCompatible With\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003eStandard sand filter tanks - direct replacement, no modifications required\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePermanent Zeta Potential Charge.\u003c\/strong\u003e Applied during manufacturing and lasting for the life of the media, continuously attracting organic molecules and fine particles that sand and standard glass miss.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFilters Down to 5 Microns.\u003c\/strong\u003e Significantly finer than sand or conventional glass media (20-30 microns) for noticeably clearer water.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUp to 50% Less Backwash Water Required.\u003c\/strong\u003e More efficient particle capture means less water and energy used on backwashing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReduces Bacteria and Virus Load in Filter Bed.\u003c\/strong\u003e Leaves more free chlorine available to sanitise pool water and helps reduce combined chlorine odour.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003epH Independent Performance.\u003c\/strong\u003e Effective filtration year-round without pH dependency.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVariable Speed Pump Compatible.\u003c\/strong\u003e Performs effectively at lower flow rates, supporting energy-efficient pump operation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e100% Recycled Plate Glass.\u003c\/strong\u003e A sustainable, environmentally responsible filtration choice.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eActive Glass vs Sand vs Standard Glass\u003c\/h3\u003e\n\u003ctable style=\"width:100%;border-collapse:collapse;margin:20px 0;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"background:#f5f5f5;\"\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003e\u003cstrong\u003eFeature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003e\u003cstrong\u003eActive Glass Media\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003e\u003cstrong\u003eSand \/ Standard Glass\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003e\u003cstrong\u003eFiltration Rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003e5 microns\u003c\/td\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003e20-30 microns\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f5f5f5;\"\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003e\u003cstrong\u003eElectrostatic Charge\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003eYes (permanent Zeta Potential)\u003c\/td\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003e\u003cstrong\u003eBackwash Efficiency\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003eUp to 50% less water required\u003c\/td\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003eStandard\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f5f5f5;\"\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003e\u003cstrong\u003eBacteria Inhibition\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003eYes\u003c\/td\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003e\u003cstrong\u003epH Dependency\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003eNone\u003c\/td\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003eVariable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f5f5f5;\"\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003e100% recycled plate glass\u003c\/td\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003eVirgin silica \/ standard glass\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eMedia Grading and Filter Bed Setup\u003c\/h3\u003e\n\u003cp\u003eActive glass filter media is available in two grades designed to work together for optimal performance:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCoarse grade (3mm to 7mm) - this product:\u003c\/strong\u003e Bottom layer of the filter bed.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/active-glass-filter-media-15kg-fine\"\u003e\u003cstrong\u003eFine grade (1mm to 3mm):\u003c\/strong\u003e\u003c\/a\u003e Fills the top 65% of the filter bed.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eCheck your filter manufacturer's guidelines for the correct media loading depth and total media volume required before purchasing.\u003c\/p\u003e\n\n\u003ch3\u003eFilters That Include Active Glass Media\u003c\/h3\u003e\n\u003cp\u003eLooking for a complete filtration solution? Our P Series pool filters come supplied with active glass media included:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/p400-pool-filter-36000l-glass-media\"\u003e\u003cstrong\u003eP400 Swimming Pool Filter\u003c\/strong\u003e\u003c\/a\u003e - up to 36,000L, includes glass media.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/p550-pool-filter-57000l\"\u003e\u003cstrong\u003eP550 Swimming Pool Filter\u003c\/strong\u003e\u003c\/a\u003e - up to 57,000L, includes glass media.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/p600-swimming-pool-filter\"\u003e\u003cstrong\u003eP600 Swimming Pool Filter\u003c\/strong\u003e\u003c\/a\u003e - up to 81,000L, includes glass media.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eRecommended Accessories\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/active-glass-filter-media-15kg-fine\"\u003e\u003cstrong\u003eActive Glass Filter Media 15kg Fine Grade\u003c\/strong\u003e\u003c\/a\u003e - pair with this coarse grade to complete your two-grade filter bed setup.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/5-in-1-pool-spa-test-strips-25-pack\"\u003e\u003cstrong\u003e5-in-1 Test Strips\u003c\/strong\u003e\u003c\/a\u003e - test water chemistry after changing filter media.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/crystalline-chlorine-4kg-pool-spa-sanitizer\"\u003e\u003cstrong\u003eCrystalline Chlorine 4kg\u003c\/strong\u003e\u003c\/a\u003e - maintain correct chlorine levels alongside upgraded filtration.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is the difference between glass media and sand?\u003c\/strong\u003e\u003cbr\u003eA: Sand filters pool water down to 20-30 microns. Active glass filter media filters down to 5 microns, capturing far finer particles for cleaner, clearer water. Glass media also lasts longer, requires less frequent backwashing, and inhibits bacteria growth within the filter bed.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What makes active glass media different from standard glass media?\u003c\/strong\u003e\u003cbr\u003eA: Active glass media carries a permanent negative electrical charge (Zeta Potential) applied during manufacturing. This charge attracts organic molecules, bacteria, and fine particles that standard glass media cannot capture. The charge lasts for the life of the media and works regardless of pool water pH.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does it help reduce backwashing?\u003c\/strong\u003e\u003cbr\u003eA: Yes - active glass media may require up to 50% less water flow to backwash effectively compared with sand or conventional glass media, which can result in meaningful water and energy savings over time.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What are the coarse and fine grades for?\u003c\/strong\u003e\u003cbr\u003eA: The two grades work together in the filter bed. Coarse grade (3mm to 7mm) goes at the bottom of the filter. \u003ca href=\"\/products\/active-glass-filter-media-15kg-fine\"\u003eFine grade (1mm to 3mm)\u003c\/a\u003e fills the top 65% of the filter bed. Using both grades together maximises filtration performance.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is it a direct replacement for sand in my existing filter?\u003c\/strong\u003e\u003cbr\u003eA: Yes - active glass filter media is a direct drop-in replacement for silica sand in standard sand filter tanks. No modifications to your filter are required.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is it suitable for variable speed pumps?\u003c\/strong\u003e\u003cbr\u003eA: Yes - active glass media performs effectively at lower flow rates, making it well suited to variable speed pump systems running at reduced speeds for energy efficiency.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Will it reduce my chemical usage?\u003c\/strong\u003e\u003cbr\u003eA: It can help. By reducing bacteria and organic load within the filter bed, more free chlorine remains available to sanitise the pool water. This can result in lower overall chemical consumption and reduced combined chlorine levels.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is it made from recycled glass?\u003c\/strong\u003e\u003cbr\u003eA: Yes - active glass filter media is made from 100% recycled plate glass, making it a sustainable and environmentally responsible alternative to virgin silica sand.\u003c\/p\u003e\n\n\u003ch3\u003ePickup and Delivery\u003c\/h3\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/maps.google.com\/?q=15C+Douglas+Alexander+Parade+Albany+Auckland\" target=\"_blank\" rel=\"noopener\"\u003e\u003cstrong\u003ePerfect Pools Service Warehouse\u003c\/strong\u003e - 15C Douglas Alexander Parade, Albany, Auckland\u003c\/a\u003e\u003cbr\u003e\n\u003cstrong\u003eHours:\u003c\/strong\u003e Mon-Fri 9am-4pm | Sat 10am-2pm\u003cbr\u003e\nNZ-wide delivery available. Charges calculated at checkout.\u003cbr\u003e\nQuestions? Email \u003ca href=\"mailto:perfectpoolsnz@gmail.com\"\u003eperfectpoolsnz@gmail.com\u003c\/a\u003e or visit our \u003ca href=\"\/pages\/contact\"\u003econtact page\u003c\/a\u003e.\n\u003c\/p\u003e","brand":"Perfect Pools NZ","offers":[{"title":"Default Title","offer_id":42149598822553,"sku":"CHEM-GLASS-MEDIA-15KG-C","price":51.9,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0443\/7514\/6649\/files\/01c156b5-e92f-da5d-c9.png?v=1775701188"}],"url":"https:\/\/perfectpools.co.nz\/collections\/pool-filter-media.oembed","provider":"Perfect Pools NZ","version":"1.0","type":"link"}