I have marketed it for grease traps and there it is AWESOME, I did 4 table spoons to a 30 gal trap that was down to 3 gals a min flow and was totally gunked up.Rather than taking the top off and blowing it out we dropped the Bio clean in and in 6 days flow was back where it was when installed according to the owner and the trap was clean except for some forks and broken porcelian in the bottom of the trap from dishes.Now we just drop 100 grams every quarter when we dotheir hoods