Check the listing for details. X-ray Developer & Fixer Concentrate Combo-Case-Pak, 10 Gallons Each 4010D-4010F. Condition: New. Listed at 248.99 USD. T-2 DEVELOPER Replenisher concentrate - You get 2 mixings of concentrate that makes 5 gallons each =10 gallons T-2 Fixer Replenisher concentrate - You get 2 mixings of concentrate that makes 5 gallons each =10 gallons YOU GET 1 CASE OF EACH DEVELOPER AND FIXER XRAY CHEMICALS . We have been in the Xray Business for over 25 years .. T-2 Developer and H-r Simon chemicals are exactly the same chemicals .. You will receive as pictured a new case of developer . Our chemicals are stored in a controlled environment . Chemicals are restocked each month so you will be getting chemicals that were recently made . We ship fedex ground and secure the tops of each bottle with extra tape to prevent leakage .. We ship fast - most orders are received within 2 to 3 days .. In our region alot of times its only one day shipping time . Developer Mixing instructions 3 Gallons + 5 pints - 80 ounces .. Start with 1 gallon of water then add the concentrated chemicals .. This will help on keeping the 2 parts of developer mixing .. Fixer Mixing instructions 3 Gallons + 7 pints - 112 ounces .. Start with 1 gallon of water then add the concentrated chemicals .. This will help on keeping the 2 parts of developer mixing ..