Does sera phosvec bind phosphates permanently, or can they get back in solution in the aquarium?
How can I hibernate goldfish living in a pond indoors?
Treating fin rot in a Koi
Forgot to switch the filter back on after feeding
Open wound on the head of a terrapin
Pressure filters in saltwater?
Which temperature for Discus?
Biological activation delayed by filter "cleaning"
Add hatchetfish to existing fish stock?
Is there a special sera salt for livebearers?
Position of the sera F 700
Nitrite levels remains at 0.3 mg/l for a longer time
Fish stock for a 60 cm aquarium
How are fertilizer tablets optimally applied?
Hornwort floating at the surface?
How can I regulate the suction with the sera gravel washer?
Severe infection of goldfish
Setting up an aquarium anew while it is in operation
How can I help a fish with unspecific symptoms?
sera baktopur: Application tips
Guppy-like fish with orange and black pattern - which species is this, and how can I keep them? (Endler's livebearer)
Live rock from the Mediterranean Sea: Which salinity?
Shell dwelling cichlids have become more aggressive
Black Widow Tetras (Gymnocorymbus ternetzi) spawned
Fish stock for a Lake Malawi aquarium / Slimy layers
Newly added Cardinal Tetras are pale
Should I leave angelfish eggs with the parents, or should I raise the fry separately?
White worms in the aquarium
Black fin edges after a fin rot treatment
Ulcer on a dwarf gourami
Do catfish tolerate sera mycopur?
Angelfish eggs do not develop
Replacing an aquarium with a bigger one
Black Mollies have protruding eyes and skin slime
How can I build a bypass filter for denitrification?
Veiltail goldfish in an aquarium
Brown layers on plant leaves / Diatoms
Plants do not grow but dissolve
Which food for small and finicky fish?
What to do in case of brush algae?
sera baktopur: Treatment duration
What can I do if goldfish multiply too strongly?