Mastertronic from Focustronic is the newest contender in the automated water testing arena for reef tanks. I have run the Alkatronic and Dosetronic since the early days of the 135g build with solid results and reliability, so I welcomed the release of the Mastertronic with open arms! While there are a few UI tweaks to the Focustronic app that would make the experience even better, the hardware, the results, and the reliability has been great for the first three weeks. Timestamps: 0:00 Unboxing the Mastertronic 2:17 Do I still need a Alkatronic if I have a Mastertronic? 4:13 Closer look of the Mastertronic, noise level and testing. 7:57 Reviewing data via Focustronic app 13:24 After 3 weeks - Thoughts on the Mastertronic Items used in this video on Amazon: 5 Gallon Plastic Jug (https://amzn.to/2NGu7z4) — Public Domain Music by various artists from SoundCloud, many thanks! — Instagram: @inappropriatereefer Email: inappropriatereefer@gmail.com

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