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Reviews (2)
21 Dec, 2017
very quiet
used as an extra in a large tank it does what l want ,providing better water movement and not too powerful pleased with product. only fault is suction cups come off at bottomm when cleaning
08 Aug, 2016
to reduce ph
Find this product far too bulky for my filter,it appears slow acting which is good for fish avoiding sudden change,gives water a nice colour.