Review on OPULENT SYSTEMS TDS Meter Combo by Louis Asok
TDS needs some adjustment, PH made it
The TDS meter had unusually high readings when first used. Compared to other TDS meters, the difference is more than 400ppm. Then, after several attempts, it reached 1000ppm in reverse osmosis water. Simply credited to your account to get what you pay for. The PH meter works as advertised.
- Not bad, but...
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