My reef before and after I removed a good portion of live rock due to an invasive paly. Still working on the scape. Dark confession - I haven't tested my water since Summer 16. I am going to buy the Hanna checkers that @nano_karen have though and start doing them often.
The HI12302 HALO is a lab grade WIRELESS pH/temperature electrode perfect for aquariums. Your smart device is now a professional grade wireless pH meter wherever and whenever you need it.The double junction design is protected with a PEI body for durable usage.The Halo works with our Hanna Lab App that is compatible with Apple or Android devices.The app displays real time data, records pH/temperature readings and displays results in a dynamic graph. With multiple styles to choose from, measuring like a professional has never been easier! Get yours today from the link in our bio and starting testing with confidence.