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spirulina and wheatgerm granules
Suitable for aquariums up to max 50 litre
A booklet of colour coded stickers is provided to label both the test tubes and test tube lids so you always conduct the same test in the same test tube
Is not only able to trap bacterial colonies but above all also acts as a filter material for catching coarse dirt and debris
Ista Glass Co2 Diffuser 16mm spirulina and wheatgerm granulesProduct Description Built in diffuser with outlet pipe 2 in 1 function. Internal diffusing space using water flow to increase CO2 dissolving rate.
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