Fish as snail removers?
What do I have to consider when using sand as bottom material?
Female Pearl Gourami is strongly bloated on one side
Neon tetras with bloated bellies
Juvenile Guppy has a distorted spine
Live rock from the Mediterranean Sea: Which salinity?
"Moss balls" / Food amount
Adjust pH value for shrimps
How can I lower the KH value?
Which are suitable sand grain sizes?
Are clam and snail shells harmful in an aquarium?
Can I keep butterfly cichlids and angelfish together?
Neon disease
Do Otocinclus (Midget Sucker Catfish) damage plants?
Which food for angelfish?
How do I carry out a proper quarantine?
Fluorescent tube does not work when switching it on
Blue-green algae / Cyanobacteria
UV protection foil for algae prevention?
Cleaning pH electrodes
What to do in case of dropsy?
sera ectopur: Application and tolerance
Which food for small and finicky fish?
Kribensis (Pelvicachromis pulcher): Questions about behavior and species they can be kept together with
Life expectancy of Corydoras catfish
Divide sera CO2-Tabs into pieces?
What can I do if goldfish multiply too strongly?
How noisy is the sera fil external filter?
Rot zones in the bottom gravel
Snails eat plants
Fish stock for a 60 cm (23.6 in.) aquarium
Skin changes during treatment against Costia/Ichthyobodo
Can I keep Dwarf Livebearers (Heterandria formosa) together with Platies and Corydoras?
Angelfish behave apathetically
Tiger barb overeats
Fish stock for a community tank / Salt in the water
How can I help a fish with unspecific symptoms?
Nitrite level remains very high for months
Amyloodinium (Oodinium) upon adding new fish
Goldfish got stuck, caudal fin is torn
sera baktopur: Application tips