Rain is especially formulated for hard-to-keep "soft water" fish such as Discus, Tetras, Severums and Angels. Unlike other "extracts" on the market, Rain contains all of the necessary components such as calcium carbonates, bicarbonates and trace elements to help maintain a stable pH, resist pH change and provide the proper water chemistry for a successful South American style aquarium.
L**E
Best Stuff Ever for Discus
This product has made it very easy for me to keep my discus. I have had my discus successfully for 4 years using this product. I've always liked discus and purchased them only to have them die shortly afterwards due to the problems with the quality of the water. They are very picky fish! Since I started this product I have not lost any fish. My discus are an average of 5 inches in size. I use it with every water change and although it is expensive, it's better than losing money on the purchase of expensive fish
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