SunGrow 10 Catappa Giant Leaf - For Soft Water Live Fish Betta Discus Arowana Breeding Aquarium Aquatic Tank Seemingly simple, the Catappa Leaf (or sometimes known as the Indian almond leaf) is an unsung hero in the aquatic world. It provides shelter, a supplement to their diet, minerals for healing, tannin and humic acids for balanced pH value, and is a fantastic anchor for fishes to attach their eggs to. SunGrow Catappa Leaves (7.5" (18-20 cm)) are a must have for any fish breeder of soft water or blackwater fish such as Bettas, Corys, Plecos and all species of shrimp. You will start to notice your aquarium life interacting with these, within the day these leaves are introduced. Just like they would in their natural habitat. There are other products in the market that can help simulate the black water quality but none as good as leaves. Bottled black-water extracts may contain other chemicals mixed in, that may be harmful to your fish's breed. You could pick the leaves outside but you cannot be sure of the quality and level of contamination they might have. The best assurance for the health of your fish is to use SunGrow Catappa Leaves. They are hand-picked to ensure that every single leaf is of optimum quality. Depending on your tank size and the pH level needed, drop a few leaves into your tank (If you want to be exact about the pH level, you can use a pH tester or a drop checker). Over the next few days, the leaves will slowly sink to the bottom. As they start to do so, they will soften and your fishes, shrimp and even snails will start to use the leaves as they see fit. Shrimps have been known to nibble on soft leaf, while fishes sometimes hide under them. After a few days, youll notice your tank water browning. This is tannins being released into the water ands are known to contain healing properties. Remove the leaves only when they start to disintegrate. Because SunGrow Catappa Leaves are organic, you dont have to boil them down and risk destroying the beneficial nutrients. Simply drop SunGrow Catappa Leaves straight into your tank its that easy to use.