MaxPower 1 lb. Lye Crystals Drain Opener 6pk Case 16MLC-6 - The Home Depot
Caustic Soda Sodium Hydroxide Lye 98% Powder 5KG Tub Drain Unblocker/Cleaner
Buy Roebic HD-CRY-DO Heavy Duty Cleaner Clears Clogs and Melts Grease Professional Strength Crystal Drain Opener, 100% Lye, Black Online at Lowest Prices in UK. B00BH34MEY
8 Lbs Food Grade Sodium Hydroxide Lye Micro Beads 4 X 2lb - Etsy UK