Walex Porta-Pak (R) 50-Bag 32 Gram Pouch Holding Tank Treatment w/Deodorant PPSGB 13-0346

Biological treatment is used to control odor & break down waste & liquefy tissue. It doesn't have formaldehyde. It lubricates valves, cleans sensor & treats up to a 50 gallon holding tank. It comes in a bag of 50 drop-in individual dose pouches & leaves a