Do different Corydoras species cross-breed?
Treating a bacterial infection in a pleco catfish / Combination of sera baktopur and sera baktopur direct
Which food for guppies?
Can I keep Dwarf Livebearers (Heterandria formosa) together with Platies and Corydoras?
Do catfish tolerate sera mycopur?
What are the consequences of very high silicate levels?
Peat (sera super peat) against algae?
CO2 dosage
Sudden decrease of water quality and snail invasion
Is a CO2 reactor required for CO2 fertilization?
How does sera aquatan work against heavy metals?
Female Butterfly Cichlid attacks newly added male
Which materials are suited for building caves?
Algae problems with very low nitrate and phosphate levels
Which temperature for Discus?
Discus and Altum angelfish together?
Combat snails with pufferfish?
Fish stock for a community tank / Salt in the water
Is it possible that no elevated nitrite levels can be detected a few days after a nitrite intoxication?
Swollen eye and abnormal swimming position
Total hardness for keeping Koi
Trigonostigma (formerly: Rasbora) espei are courting
How can I build a bypass filter for denitrification?
Bottom gravel is clogged by sludge
Does a UVC clarifier harm useful bacteria?
sera costapur: Application tips
Female Pearl Gourami is strongly bloated on one side
Fish become ill / Root smells bad