Green Brighty - K
A constant supplement of Potassium, which in most cases is insufficient in the aquarium, is important to realize a balance of necessary nutrients for aquatic plants to grow. The other two of the three basic nutrients, Nitrogen and Phosphorous are often produced in abundance within a planted aquarium. Regular dosage of Brighty K at water changes, is also effective in neutralizing chlorine in tap water, which may cause toxication to aquarium fish.
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