Frequently asked questions

Freshwater Fish

Add hatchetfish to existing fish stock?

Hello, a few hatchetfish can be added if the tank is well structured and abundantly planted - however, they are very surface orientated. For the middle zones it is better to increase...

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Freshwater

Air bubbles at the surface and cloudiness after setup

Hello, please be patient, this will stop by itself. The cloudiness is usually caused by fine gravel or sand particles and will disappear after a few days. It is immediately after...

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Freshwater Care

Algae problems with very low nitrate and phosphate levels

Hello, this phenomenon is not that unlikely at all and occurs rather frequently, especially in case of floating algae. The reason is quite simple:the algae literally take up the...

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Freshwater Fish

Angelfish behave apathetically

Hello, that may indicate polluted water and/or (beginning) dropsy induced by it. If there are other, stronger fish in the tank it is also possible that the angelfish are suppressed...

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Freshwater Fish

Angelfish eggs do not develop

Hello, it is possible that the eggs die due to unsuitable (especially: too hard!) water conditions, on the other hand the scenario described by you. In this scenario, both variants...

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