Angelfish has damaged fins
Hello, no, I do not - to shorten the fins is advisable only in very few exceptional situations (Lymphocystis in the outer fin zones). Feeling in the fins is unlikely as long as the...
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Are clam and snail shells harmful in an aquarium?
Hello, there are no objections (except that it may appear optically unnatural, but this is a mere question of taste and does not bother the fish), provided the shells are free from...
Are fertilizers harmful for shrimps?
Hello, they contain only such minimal traces of copper that there is no danger even for very sensitive shrimps and other invertebrates. sera florena and sera florenette are...
Are the sera aquarium heaters also suitable for brackish and salt water?
Hello, there is no objection in any way! The heaters are also suitable for brackish or salt water without any restriction. Best regards sera GmbHDr. Bodo Schnell
Available water is strongly polluted with iron
Hello, there is actually only the possibility of completely deionizing the water.Preferably with an ion exchange system rather than a reverse osmosis (R/O) unit, since iron tends to...
Betta has no upper lip
Hello, this can be due to a disease (was there possibly any kind of skin slime visible?) or an injury. If it was that way from the beginning, a misshaping (e.g. by mineral of...