Check the listing for details. MET20A SafeDip Digital Chemistry Tester Solaxx. Condition: New. Listed at 294.49 USD. The SafeDip MET20A digital chemistry reader by Solaxx is a user-friendly water chemistry testing device that measures pH levels, free chlorine, salt, TDS, ORP or, temperature. Suitable for pools, spas and ponds, this water chemistry tester offer a large, digital LCD display, easy push buttons, and commercial grade sensor technology for the best speed and accuracy. It is powered by AAA batteries for easy and instant replacement. The SafeDip includes an LED indicator light that illuminates when water is balanced properly. This device contains a built-in sample cup that allows one to retrieve a water sample, re-attach the cup and test. The Solaxx SafeDip is safe, durable, and very easy to use for both pool owners and pool professionals. It boasts a water-resistant housing and a probe Powered by Frooition Frooition | No-js Template | eBay design, eBay store design, eBay shop design, eBay template design, eBay listing design (ver:froo_no_js) This listing is currently undergoing maintenance, we apologise for any inconvenience caused.