Alder Cones 20 Grams / Approx 70 - 100 cones Aquarium botanical Shrimp Hide

Black alder cones are successfully used in aquaria. They are popular due to the fact that they contain tannin which has a positive impact on the condition and health of tank fish, they help in the first stages of some of the diseases. The cones have protective properties for roe. In spawning aquariums the cones combine some proteins contained in water providing nourishment for alevin. The black alder cones are also popular amongst fish keepers due to their acidifying (they lower pH in water) and disinfectant properties. Although they disinfect water, they are harmless to delicate shrimps and cancers. The cones can also help getting rid of algae. In some cases alder cones will not lower pH. It depends on many factors. Some of your tank furniture could be counteracting the lowering process, like certain sands/stones/etc can higher the pH as standard. Tap water has lots of buffering capacity so it will resist a change in pH.