How to take care of a Siamese Fighting fish - Betta splendens
What a Betta splendens actually needs — tank size, heating, lighting and the rest of the equipment, with the reasoning behind each.
Results for “chemical filtration”
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The HMF - What's That?
Rüdiger Rautenberg on the Hamburger Mattenfilter — cheap, widely loved by German breeders, and barely known outside mainland Europe.