#18 Green Gobbler Drain Clog Dissolver, 31 oz 3.9 out of 5 stars 17,461 4 offers from $11.97 source https://www.amazon.com/DISSOLVE-Liquid-Grease-Remover-cleaner/dp/B0182VBOJE/ref=zg_bs_10802561_18/140-2768384-3892504?_encoding=UTF8&psc=1&refRID=B9SX2F4A6JPZ295ABG2N
