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I'll respectfully disagree with this. If we were talking about TDS meters - then yes - they are robust, durable, and accurate, even at a low cost.If you just want to know every once in a while, then a cheap pH pen from Amazon work pretty well. Rinse them off with tap water after use and stuff. They are less than $20, usually.
I’ve used the WEIPRO for knocking on 20 years. If you get the cheap version (with 1 point calibration), you just need to take the case off, drill a hole where the two point calibration port is, on the expensive one. All the gubbings is inside. Basically they charge £100 more for a less restrictive casing. Voila, a two point calibration pH meter.Is there a reliable stand alone ph monitor that you would recommend? The ones I’ve seen have very mixed reviews.

