Which food for mangrove crabs?
How can I soften dry food and remove the air it contains?
Which food for angelfish?
Which food for spiny eels?
Which food for guppies?
No water changes while being away for three weeks? / Preparing food for vacation substitute
Which food for small and finicky fish?
How are fertilizer tablets optimally applied?
Nitrite levels remains at 0.3 mg/l for a longer time
Tiger barb overeats
Which preconditions are required for Fighting Fish?
Conditioning saltwater for shrimps
Snails multiply too quickly
Newly added Cardinal Tetras are pale
Differences between Dwarf Gourami and Honey Gourami (Colisa lalia and Colisa sota/chuna)
Piranhas in an aquarium
Treatment of swim bladder infections
How large does an aquaterrarium for terrapins have to be, and what do I have to consider when setting it up?
How can I lower the water hardness?
Does the sera blue sky support algae growth, and is it suitable for planted aquariums?
Which fluorescent tubes?
Loricariids eat plants
Betta has no upper lip
Discus and Altum angelfish together?
Which are suitable sand grain sizes?
Fish as snail removers?
What to do in case of brush algae?
White worms in the aquarium
What to do in case of floating algae in the aquarium?
Worms and Hydra
Shell dwelling cichlids have become more aggressive
Dwarf Gouramis are courting