Amazon.com has cases of 12 Clorox Toilet Bowel Cleaner – Tough Stain Remover 24oz bottles for $9.29, or $0.77 per bottle. Shipping is free. Sold by Office Depot, Inc (90% positive reviews).
Next best price I could find is Home Depot for $2.27 per bottle.
Iconic One Theme | Powered by Wordpress