Which measuring range and which steps does the sera pH test kit have?
Hello, the measuring range is from pH 4.5 to pH 9.0 - the steps are each 0.5 pH units. Best regards sera GmbHDr. Bodo Schnell
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Which preconditions are required for Fighting Fish?
Hello, rather soft water, gentle water currents and floating plants are advisable. Do not add very lively or even biting additional fish (barbs!). Fish with large and colorful fins...
Which pump is included with sera internal biofilter B 400?
Hello, the sera internal biofilter B 400 included a sera submergible pump P 700 adjustable - the maximum feed performance of this pump is 650 l/h. Best regards sera GmbHDr. Bodo...
Which pump performance for a 230 liter aquarium?
Hello, this mainly depends on the fish - i.e. whether you keep species from standing or slowly flowing waters or ones with a strong current. A general statement is therefore...
White worms in the aquarium
Hello, they are rather likely so-called Oligochaetes. The thin diameter compared to the body length and the fact the fish eat them gives hints in this direction. These worms are...