- Amazon Prime
Thetford 96527 Blaster Holding Tank Cleaner Pouches, 1.6 oz., White (Pack of 4)
The first 2-in-1 tank cleaner specifically formulated for black/gray water and portable tanks
Cleans overnight – then just dump and go
Micro-foam action improves surface contact to vertical tank walls
Amazon.com Price: $9.81 (as of 10/01/2023 15:27 PST- Details)
