Frequently asked questions

Freshwater Care

Conditioning during water changes / Which values should be checked, and when?

Hello, Concerning "water conditioning":sera aquatan (binds copper and protects the fish against chlorine, among others) is indeed advisable with every water change. Dosage as per the...

Marine water

Conditioning saltwater for shrimps

Hello, I will categorize this a bit: Technical equipmentA protein skimmer is in any case advisable in saltwater. A motor operated internal filter is sufficient for agitating the...

Freshwater Care

Increasing the hardness of R/O water for Central American fish

Hello, I recommend increasing the hardness with sera mineral salt to approximately 6 - 8°dKH and, accordingly, approximately 13 - 17°dGH, unless the fish originate from water...

Freshwater Care

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...

Freshwater Care

Does sera aquatan affect iron fertilization?

Hello, no, you do not have to worry. Fertilizers such as sera florena contain the iron in complexed form anyway, and plants can take it up in this form without any problems! Best...

Pond Diseases

Treating fin rot in a Koi

Hello, sera pond cyprinopur is suitable in this case, if it is only a bacterial infection. Good water hygiene is also very important. The treatment can be carried out directly in...

Retailer search
l