Fish as snail removers?
Neon tetras with bloated bellies
Juvenile Guppy has a distorted spine
Adjust pH value for shrimps
Fish stock with Neon Tetras and catfish in a 60 cm aquarium
How can I lower the KH value?
Are clam and snail shells harmful in an aquarium?
Neon disease
Which are suitable sand grain sizes?
Can I keep butterfly cichlids and angelfish together?
Which food for angelfish?
Fluorescent tube does not work when switching it on
UV protection foil for algae prevention?
sera ectopur: Application and tolerance
Kribensis (Pelvicachromis pulcher): Questions about behavior and species they can be kept together with
What can I do if goldfish multiply too strongly?
Which food for small and finicky fish?
Divide sera CO2-Tabs into pieces?
Rot zones in the bottom gravel
How noisy is the sera fil external filter?
Fish stock for a 60 cm aquarium
Which pump performance for a 230 liter aquarium?
Skin changes during treatment against Costia/Ichthyobodo
Angelfish behave apathetically
Tiger barb overeats
How can I help a fish with unspecific symptoms?
Nitrite level remains very high for months
How can I lower the water hardness?
"Crystal Red" shrimps in a 25 liter aquarium
Should I leave angelfish eggs with the parents, or should I raise the fry separately?
Forgot to switch the filter back on after feeding
Setting up an aquarium anew while it is in operation
Is it normal that Altolamprologus calvus grow very slowly?
How large does an aquaterrarium for terrapins have to be, and what do I have to consider when setting it up?
Water change rate and filter cleaning
Replacing an aquarium with a bigger one
Which food for mangrove crabs?
Severe infection of goldfish
What to do in case of floating algae in the aquarium?
Which preconditions are required for Fighting Fish?
Angelfish has damaged fins
Algae problems with very low nitrate and phosphate levels
How much sera floredepot is required for a 150 liter aquarium, and how long do the nutrients last?
Piranhas in an aquarium
Fish become ill / Root smells bad