Loaches Online Forum

Very nice!!

Formalin can be toxic and is carcinogenic to Humans, so you definitely want to be careful about getting that in your mouth.

Hi Ded1, I'm zmo's husband, Chris. That's actually the a diffuser that came with the CO2 system, but it works just like an airstone really. The diffuser or airstone is supposed to be set about an inch above the substrate. This is so the bubbles have more time to dissolve into the water/ The faster t...