Frequently asked questions

Freshwater Care

Does sera phosvec bind phosphates permanently, or can they get back in solution in the aquarium?

Hello, Concerning "water change":due to the high stock the water changes should rather be carried out weekly! Concerning "phosphate precipitation":this is very likely, as the liquid...

Freshwater Diseases

Black Mollies have protruding eyes and skin slime

Hello, I think fungi are indeed very unlikely, as they look like cotton fluff or mold (which it actually is).In case of milky layers an infestation with bacteria or single celled...


Bottom gravel is clogged by sludge

Hello, it is in this case advisable to simply use a gravel washer during the water changes. Generally, the problem occurs mainly with coarse gravel. The gaps are simply larger,...

Freshwater Care

Brown layers on plant leaves / Diatoms

Hello, according to the description, they are very likely diatoms. The layers should feel like sandpaper in that case. Diatoms are pioneering organisms in newly set-up aquariums,...

Freshwater Diseases

Dosage of sera ectopur

Hello, it is only applied once, 10 g (0.35 oz.) [two teaspoons each holding 5 g (0.18 oz.)] per each 25 liters (5.5 US gal.). In case you carry out a partial water change during the...

Freshwater Care

Eggs or sporangia on Java fern?

Hello, according to the description, I can certainly exclude that these are angelfish eggs - if only because angelfish care for their fry and would guard them.I also think eggs of...

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