Patreon: https://www.patreon.com/danielhiteshew Aquatic Plants for sale: danielhiteshew@gmail.com Here’s part two of this two part series on aquarium filtration, and whether or not you can have too much. Today’s video focuses on the nitrogen cycle and biological filtration. Biofiltration Biofilter source Everyday Fishkeeping More
Very good
anyone else here from GCSE biology
Plis i need to be your customer on buying catfish fingerlings,juvinals im based in central letlhakane.
Not soo intresting but voice over is op
Very interesting