I went to a store to check out prices on peroxide and explained to the guy what I was seeing. He said it's probably residue sediment from the hydrotons. There is no slime on the roots, just sediment and the peroxide will bleach the yellow out of the roots. Can I run peroxide through hydrotons to get rid of all the excess coloring and dust? Can I run it through the entire system or will my filter continue to clog until all the sediment is wiped out individually at the bucket level? Also, whats the minimum strength of peroxide that I can use for the purchase of whitening the roots? I think the H2O2 oxidizer is diluted to 29% from 35% which still remains high and will burn skin if rubber gloves aren't used. I take it the local CVS or Walgreen's H2O2 isn't strong enough being diluted to 3% from 99%.