Fluval U3 internal filter CO2 The Halloween hermit is a

The Halloween hermit is a favourite of ours

1 ml of Cobalt Zlement increases the Cobalt concentration of 100 litres by 2 μg/l

two or three times daily

A complete 2 Part dosing system

Fluval U3 internal filter CO2 The Halloween hermit is aOffering outstanding 3 stage filtration, increased water movement and vital aeration, Fluval U Series internal filters are the perfect solution where external filtration is not possible. Features Designed for aquariums up to 110 L Use as a primary filter for smaller aquariums, or supplementary filter for larger aquariums Position horizontally for shallow tanks, larger tanks with low water levels, or to create a decorative waterfall feature Position