Aqua One PremiumSub Sintered Glass Substrate 650g (10419) FILTER MEDIA All models perform to the

All models perform to the highest quality standards

For approx

a lack of iron results in chlorosis

API Pond AlgaeFix controls many types of green or green water algae

Perfect for smaller aquariums or to target feed multiple areas of larger tanks thus avoiding competition for food

Aqua One PremiumSub Sintered Glass Substrate 650g (10419) FILTER MEDIA All models perform to theAqua One PremiumSub is an extremely porous sintered glass biological media that can be used in all types of filtration systems such as pressurised canister filters, hang on filters, internal filters, and wet dry filters. PremiumSub provides the most ideal environment for the cultivation of denitrifying bacteria, due to its porous nature. PremiumSub is a key component to a healthy and productive biological filtration system. Suitable for: both