Nitra-Guard BIO-Cubes V4 - 250mL (for aquariums 20-65 gallons) The world's fastest & most effective carbohydrate based nitrate remover More economical & effective than any other product of it's kind in the world...nothing can compare! Reduces 50ppm Nitrate to 0ppm within 1 to 2 weeks in Freshwater and Seawater Easy & convenient use, no daily feedings or dosings, just add as directed and enjoy 4 to 6 months Nitrate free water No more Deep Sand Bed Filters required which saves space, time and money 100% natural, biological Nitrate removal, no chemicals or metals like iron or aluminium No effect on pH or alkalinity MASSIVELY Reduces Water Changes Information BIO-Cubes are made from 100% biologically degradable polymers that effectively remove both nitrates and phosphates from both marine and freshwater systems. BIO-Cubes have a very high surface area and contains 400% more carbohydrates than any other brand, making it the best product of its kind in the world. Independent testing in real world scenarios, have proven BIO-Cubes to far outperform all other competing products. No other product of its kind can compare with the explosive performance that BIO-Cubes can offer. BIO-Cubes are very versatile and can be used in filter bags, fluidized reactors and denitrators. BIO-Cubes require no maintenance and require no feeding dosages making it the easiest and most convenient nitrate and phosphate removing product on the market. Nitra-Guard BIO-Cubes comes with a free filter bag with every jar (excluding 5000ml size). How it all works Bacteria consume the high carbohydrate source found in the BIO-Cubes and form a biomass that absorbs nitrates and phosphates from the water in the aquarium. This biomass is then skimmed out with a protein skimmer or is consumed as a food source by corals and clams. When culturing bacteria, 2 of the most important factors that will determine the size of the colony are surface area and food source. BIO-Cubes look like small open celled sponges
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