A very informative video by Mike from DIY Aquapros.
If you are looking for the best information on all the important (and often confusing) processes which occur in an aquarium this is the channel to subscribe to:
Check out this link to buy K1 micro and Biohome filter media, peat balls and other related products:
US supplier for biohome and peat balls:
Thanks for watching and appreciating this video.
Happy fish keeping.