Dennerle Bacto Elixier FB7 500ml

Dennerle Bacto Elixier FB7 is an extremely effective at producing clear and healthy water. It contains a powerful blend of live cleaning bacteria that accelerate the biological degradation of ammonia, nitrite, fish waste, sludge, fish food and plant debris. Suitable for all tropical and coldwater aquariums. Available in 250ml and 500ml bottles.