I changed out my filtering systems to K1 so don't need this any more. I have at least 100# of used and some new. Buy a whole bag amount and the bag is free.
Just $0.50 per pound!
Bring a tough bag or bucket.
http://sandiego.craigslist.org/csd/for/4377668666.html
Just $0.50 per pound!
Bring a tough bag or bucket.
http://sandiego.craigslist.org/csd/for/4377668666.html