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If using alternately in several aquariums
Technical data for Skimmer:
It is a complexed ferrous (Fe+2) iron product which contains 10
Other medias tested reached only to 30 40 % of its removal capacity by weight
New patented structure with non-return valve ensures that no water flows back when power is off
Biohome Biogravel Size:1kg If using alternately in severalBiogravel is an entirely new concept for filtration and is essentially a gravel made from sintered glass which has a wide range of applications. The latest development from Biohome, Biogravel is the ideal substrate for your tanks. It will not increase pH, supports growth of zooplankton and is the perfect playground for shrimp. Having a porosity of approx. 42% it performs at a similar level to the Biohome Standard and Plus with the added benefit of