[AquaticLife] under gravel filter
On my blog, I have an article called “Filter Maintenance & Cleaning” and in that article, I have some info and several links to other well written articles about UGF’s. Check them out for the good and bad on UGF’s.
Lenny Vasbinder Fish Blog - http://GoldLenny.blogspot.com (Links to articles referenced above listed on the right side under Archives - Year, Month and under Labels)
Category: Philippines Internet Koi Society
