Alphagrog is made of a highly porous material that contains many thousands of tiny pockets in which bacteria can thrive making in an ideal material for biological filters. Highly recommended Available in 15kg sacks and 1 tonne pallets.
Alphagrog is made of a highly porous material that contains many thousands of tiny pockets in which bacteria can thrive making in an ideal material for biological filters.
Highly recommended
Available in 15kg sacks and 1 tonne pallets.
