Review on π± OptiGrow PH Probe by Patrick Arnautov
Inexpensive factory replacement
I am preparing for my next addition to my coffin which I love and purchased this very inexpensive replacement pH sensor from Revain, installed it in no time and secured and working. I am very happy to be able to purchase the exact same sensor that my grobo came with at Revain using this free service.
- Fits me perfectly
- No instructions
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