Disinfect quarantine tanks after use?
What can I do about elevated nitrite levels (nitrite peak)?
What are the consequences of very high silicate levels?
Black fin edges after a fin rot treatment
Are clam and snail shells harmful in an aquarium?
How often should I clean the filter media?
Tiger barb overeats
Which preconditions are required for Fighting Fish?
Can I keep aquarium fish in a pond during summer?
Can I use flintstone in an aquarium?
Snails multiply too quickly
How large does an aquaterrarium for terrapins have to be, and what do I have to consider when setting it up?
What to do in case of brush algae?
Angelfish behave apathetically
Worms and Hydra
Can you use magnets for attaching things in an aquarium?
Is sera siporax suitable for housing anaerobic bacteria?
How can I lower the KH value?
Is the sera fil 60/120 safe for juvenile shrimps?
Which food for angelfish?
Adjust pH value for shrimps
Treating a bacterial infection in a pleco catfish / Combination of sera baktopur and sera baktopur direct
Treatment of swim bladder infections
Which pump performance for a 230 liter aquarium?
Skin changes during treatment against Costia/Ichthyobodo
New gourami attacks older ones
Newly added plants turn yellow / Leaves decompose
Does the sera blue sky support algae growth, and is it suitable for planted aquariums?
sera baktopur: Treatment duration
Algae problems with very low nitrate and phosphate levels
Can I use sera bio nitrivec in a stocked aquarium?
Should I combat trumpet snails in the aquarium?
Is it normal that Altolamprologus calvus grow very slowly?
Fish stock questions for a 190 liter aquarium
UV protection foil for algae prevention?
Angelfish eggs do not develop
Rot zones in the bottom gravel
"Crystal Red" shrimps in a 25 liter aquarium
What can I do if goldfish multiply too strongly?