• Here is a link to the full explanation: https://rollitup.org/t/welcome-back-did-you-try-turning-it-off-and-on-again.1104810/

PH and PPM testers?

R

rocknsea

Active Member
Newbie here and was wondering what everyone recommends for the PH and PPM testers. Looks like a little coin and wanted to make sure I get it right.

Thanks
 
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