Free TDS meter on orders over $50

4Q special! 10% off & get a FREE TDS meter from ! A good TDS meter is our industrys BEST way to know when to change your membrane & DI resin. [Free TDS meter is offered for orders > $50.00, use code: "FREETDS" in the discount codes section of your shopping cart at Airwaterice.com] All 3reef.com members can get 10% OFF on every order by using code: "28425”. You can pay MORE but you can't get less than ZERO tds AND you know us, We have your filter pack! ALWAYS fresh, EVERY time. Want answers now? We are a family of humans that answer the phone! call us 772-461-0256 to talk to an EXPERT specializing in exclusively RODI for over 30 years OR shoot a email to [email protected]. As always Happy Reefing, your friends at https://airwaterice.com/