Walex Elemonate (R) 5-Bag 32 Gram Pouch Holding Tank Treatment w/Deodorant ELEMBG 13-0311

Biological treatment is used to deodorize gray water holding tank, freshens sink, drain lines & dissolves grease & organic sludge. It doesn't have formaldehyde. It lubricates sensors & treats up to a 50 gallon holding tank. Bag of 5 drop-in individual dos