Contains one (1) API WATER SOFTENER PILLOW Aquarium Canister Filter Filtration Pouch 1-Count Bag; Softens hard water; Reduces general hardness by . Achieve ideal general hardness level in your freshwater aquarium. API Water Softener Pillow effectively reduces GH (general hardness) by lowering calcium . Water Softener Pillow protects tropical fish form hard water by removing Calcium, Magnesium and heavy metals. Our pillow helps stabilize pH while eliminating white crusty deposits from your tank. Achieve ideal general hardness level in your freshwater aquarium. API Water Softener Pillow effectively reduces GH (general hardness) by lowering calcium and magnesium. Helps protect sensitive soft water tropical fish from hard water. . Safe for delicate tropical fish. To soften hard water, you need to take the mineral out with a natural “water softener” such as Sera Super Peat. Another option is to use demineralized water for your fish tank. The same is true for trying to raise the pH in acidic water that is soft and doesn’t contain much mineral. Sep 5, 2018 – If your tap flows with hard water, fish of all sorts can still survive and even thrive in your aquarium. There are several different manufactures of water softening pillows that you can install in your aquarium filter. These pillows work well for smaller aquariums, but . Jump to Water Softening Pillows – Installing these units in the filter of the aquarium also helps in softening hard water. This is considered to the best . Mar 5, 2017 – Question – Aquarium water softening – :;flakeHow do I soften the water in an already established tank? Ph now is 8.4 and the water is currently extremely hard .