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de*nitrate™ is an economical, natural, porous material with a pore distribution and geometry that promotes both aerobic nitrification within the first few millimeters of depth and anaerobic denitrification at the core. The material has a high surface area and supports a high density of bacteria. Although de*nitrate™ has capacity to trap nitrate, this, as with other nitrate retaining materials, such as certain zeolites and synthetic resins, is quite limited and the primary mechanism of nitrate removal is anaerobic.
“Live” rocks or reef rocks remove nitrate by anaerobic denitrification. de*nitrate™ removes nitrate by the same process. Efficiency is magnified several folds by forcing the water to filter through the porous de*nitrate™. As with reef rock, anaerobic conditions are achieved by the porosity and the depletion of oxygen by the aerobic process at the surface. Excessive flow rates should, therefore, be avoided, as they may impede development of an adequate anaerobic environment to support denitrifying bacteria.
de*nitrate™ is also an excellent media for aerobic nitrification and it makes an ideal biological filter in drip trays, canister filters, sumps, or even box filters. At high flow rates (greater than 100 US gallons per hour), it will function solely as an aerobic filter. At slow flow rates (less than 50 US gallons per hour), it will function as both an aerobic filter and an anaerobic denitrifying filter.
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PG Mall is a Malaysia online shopping platform, operated by PG Mall Sdn. Bhd.(836625-K) and backed by Public Gold Marketing Sdn. Bhd. PG Mall is aimed to present a reliable business platform for the merchants to diversify their business portfolios from a global perspective.
PG Mall shoppers have a wide range of product selection ranging from Electronics, Fashion , Books, Home & Living , Food & Beverages , Sports & Leisure , Kids & Baby , Health & Beauty , Automotive to E-Vouchers. The beauty behind this is PG Mall’s product count are increasing on a daily basis as we expand our family of sellers to sell online in Malaysia on this open marketplace.
We benevolently open our arms in welcoming everyone even for new merchants who desires to sell online to join us on our journey in changing the world of ecommerce, as well as shoppers to shop online in Malaysia.
Everyday Savings in PG Mall
Who does not like the Best Quality products at the most Affordable Price that you can ask for? In PG Mall, every day you can expect promotions that help you in saving huge of your expenses in long run.
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Shop anytime, anywhere from your computer and mobile phone. We do the rest for you. With our quick and reliable delivery service, just sit back, relax and your package will come to you.
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In PG Mall, the reliability and security of shopping experience by our shoppers is our outmost importance. In safe and secure environment, we provide our shoppers with a broad range of secure payment options including instant online banking transfers from all major banks in Malaysia.
CategoriesMOBILE & TABLETS
Huawei , VIVO , Samsung , Honor , Sony , Lenovo , One Plus , Alcatel , Meizu , OPPO , Powerbanks , Pineng , Asus , Tablets , iPad Casing , XiaoMi , Mobile Accessories , Cases , Mobile Casing , Docks , Basic Phones , WiFi Tablets , Memory Cards
Lenovo Laptops , Storage , Asus Laptops , HP , Dell , Printers & Inks , PC Gaming , Multi-Function Printers , Routers , Scanners , Software , Cables , Laptop Cases , Inkjet Inks , Laser Toners , Switches , Single-Function Printers & Laserjet
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Cycling , Camping & Hiking , Skechers , Yoga & Fitness , Garmin , Running Equipment , Sports Watches & Sunglasses , more...
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Kid Luggage , Passport Covers , Weekender Bags , Toiletries & Cosmetics Bags , Luggage Locks , Travel Totes , Watches , Eyewear , Jewellery , Men Watches , Women Watches , Timex , Seiko , Casio , Nixon , Fossil , Puma , G-Shock , Baby-G , Ray-Ban , Men Eyewear , Women Eyewear , Oakley , Men Jewellery , Women Jewellery , Men Watches , Women Watches
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