Green algae only in the stronger lighted part of the aquarium
How can I remove scratches in the aquarium glass?
How can I soften dry food and remove the air it contains?
Peat (sera super peat) against algae?
Algae problems with very low nitrate and phosphate levels
Does the sera blue sky support algae growth, and is it suitable for planted aquariums?
UV protection foil for algae prevention?
What to do in case of brush algae?
What to do in case of floating algae in the aquarium?
Disinfect quarantine tanks after use?
How to change the filter felt of a sera air membrane pump
Sudden decrease of water quality and snail invasion
Does a UVC clarifier harm useful bacteria?
Water becomes cloudy after a water change
Conditioning saltwater for shrimps
Which food for mangrove crabs?
Which food for spiny eels?
Should I combat trumpet snails in the aquarium?
Rot zones in the bottom gravel
Swollen eye and abnormal swimming position
Can fish die even several days after a nitrite intoxication?
Fish as snail removers?
Fish become ill / Root smells bad
Dwarf Gouramis are courting
Severe infection of goldfish
Skin changes during treatment against Costia/Ichthyobodo
Which materials are suited for building caves?
Black Widow Tetras (Gymnocorymbus ternetzi) spawned
Replacing an aquarium with a bigger one