Check the listing for details. API Ammo Lock Pond Ammonia Detoxifier 64 oz, 166D. Condition: New. Listed at 50.98 USD. API Pond Ammo Lock 64 oz. (MPN 166D) Instantly detoxifies ammonia in koi ponds API Pond Ammo Lock detoxifies poisonous ammonia, which is continually produced in your pond by waste, to a safe form for fish. This product eliminates ammonia stress, and promotes healthy gills and a safe pond environment for your pond fish. API Pond Ammo Lock Dosage Add 1/4 cup of ammo lock per 250 gallons of pond water One dose of ammo lock will neutralize 7.0ppm of chlorine, 3.0ppm of chloramines, and detoxify 3.0ppm of ammonia. Webb's eBay Store Store Home Store Policies Feedback Shipping Most orders are shipped from our warehouse in Maryland. We warehouse over 95% of the items that we offer, which is a key to our quick order turn-around. Some orders are drop shipped directly from our manufacturer's in various states within the continental US. All orders are shipped via either UPS or FedEx therefore we cannot deliver to PO boxes, please supply a physical address to which we can ship your order. Payment We accept PayPal and the following credit cards: Visa, MasterCard, American Express, and Discover. Please feel free to call with any questions.