Position of the sera F 700
Can fish die even several days after a nitrite intoxication?
What to do in case of dropsy?
Open wound on the head of a terrapin
Nitrite levels remains at 0.3 mg/l (ppm) for a longer time
Fish stock for a 60 cm (23.6 in.) aquarium
Hornwort floating at the surface?
How are fertilizer tablets optimally applied?
How can I regulate the suction with the sera gravel washer?
Setting up an aquarium anew while it is in operation
Severe infection of goldfish
Live rock from the Mediterranean Sea: Which salinity?
Are Butterfly Cichlids suitable predators for Guppy babies?
"Moss balls" / Food amount
Guppy-like fish with orange and black pattern - which species is this, and how can I keep them? (Endler's livebearer)
How can I help a fish with unspecific symptoms?
Nitrite level remains very high for months
Fish stock for a Lake Malawi aquarium / Slimy layers
sera baktopur: Application tips
Trigonostigma (formerly: Rasbora) espei are courting
Black Widow Tetras (Gymnocorymbus ternetzi) spawned
Shell dwelling cichlids have become more aggressive
Newly added Cardinal Tetras are pale
White worms in the aquarium
Black Mollies have protruding eyes and skin slime
Does sera phosvec bind phosphates permanently, or can they get back in solution in the aquarium?
Ulcer on a dwarf gourami
Which food for small and finicky fish?
Should I leave angelfish eggs with the parents, or should I raise the fry separately?
Plants do not grow but dissolve
Can fish change their gender?
Worms and Hydra
Does a power outage cause harm?
Blue-green algae / Cyanobacteria
How can I lower the iron level?
Angelfish have damaged fins after transfer
Replacing an aquarium with a bigger one
Brown layers on plant leaves / Diatoms
Total hardness for keeping Koi
How can I soften dry food and remove the air it contains?
How can I build a bypass filter for denitrification?
Dwarf Gouramis are courting
Peat (sera super peat) against algae?