Perlite Filter Media vs. D.E. (Diatomaceous earth) Filter Media Part 1 of 2
WEBSITE: http://www.swimmingpoollearning.com/ YouTube Video Index — A list of all of my videos: http://poolmandave.blogspot.com/2014/03/swimming-pool-tips-reviews-how-to-video.html So what is Perlite and how can it be used as a substitute for D.E.? This is from the Perlite Website: Perlite is not a trade name but a generic term for naturally occurring siliceous rock.…











