As one of its daily deals, Amazon offers the Hoover 2X FloorMate Tile & Grout 32-oz. Cleaning Solution for $6.39. Checkout via Subscribe & Save and it drops to $6.07. With free shipping, that's $6 under our mention from last month, a low by $10, and the best price we've seen. It's 100% biodegradable and non-toxic. Deal ends today.

Be sure to cancel your subscription once your order ships to avoid being billed for subsequent, recurring purchases.