What is Reddit's opinion of
Ruolan Lab Ph Meter for Water Hydroponics,TDS Meter Digital Water Tester,Ph Tester Digital,PPM Meter,Ph Pen Test?
From 3.5 billion Reddit comments
1 review of this product found across Reddit:
1 point
·
21st Oct 2022
I consider my pH and EC/ppm meter as disposable. I purchased two off Amazon at different times for around $12 each. They seem to work and I depend on them for making wine and hydro growing. One is older than the other and has pretty much given bad results regularly even though I've calibrated. They aren't available from this seller, but you have options.
https://smile.amazon.com/gp/product/B08HM71K96
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