Review on Unclog and Break Through Pyramid Plugs with 32 oz. Unique Tank Cleaner Liquid for RV and Boat Black Holding Tanks - Product Code 41H-1 by Mohmed Burt

Contacted the seller and he refunded me the money I paid for the purchase. I bought it again as it is the only supplement that has even started showing results. The seller also gave me a number to call if I needed help clearing my blockage. I think the second dose will do. I have the mother of all blockages and I believe this product will work on the vast majority of blockages the first time (although late updated). The second round completely cleared the blockade. I could use my black tank to wash the rest. This product is the most effective I have found and the seller supports it like no other. I would highly recommend and if they are not satisfied they can ask for a refund.