Check the listing for details. Natural Chemistry Spa Perfect 2L. Condition: New. Listed at 42.99 USD. Natural Chemistry Spa Perfect works so you don't have to! Spa Perfect's SMARTZyme​ technology reduces unwanted non-living organic contaminants such as: body oils, cosmetics, suntan lotions, hair products and so much more! No more waterline rings, cloudy water or unpleasant odors. Spa Perfect​ also works as a continuous cartridge filter cleaner. Use 1 oz per 100 gallons of spa water per week. One capful per week treats a 400 gallon spa. Add twice per week during periods of heavy use. Do not use with or immediately after shocking. SHIPPING: We will do our best to ship your order based on the shipping method selected, however in some cases, your shipping method may need to be modified to meet shipping requirements based on the carrier. Our current carriers used are UPS, FedEx and USPS. Please contact us directly through the "Contact Seller" link if you need UPS, FedEx or USPS specifically for your order.