Algae Scraper for Glass Aquariums, 18" by API $8.69 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity We are currently experiencing temporary outages for select pet products due to vendor shortages out of our control. We may contact you after placing your order to make substitutions or to update you on your order. We apologize for any inconvenience this may cause you. Add to cart An incredibly durable algae scraper for cleaning aquarium walls. Made with an 18 handle It removes even the toughest algae quickly and easily. For glass aquariums only.