| | |  04-14-2011, 09:17 PM TDS Testing Available at MASM Swap I'll be bringing a TDS meter to Cranbrook. Anyone wishing to test their tap, RO or DI output water - Or calibrate your TDS meter, just bring a few ounces of sample water and stop by the Calibration Station. |
| | | Last edited by CalmSeasQuest; 04-15-2011 at 08:00 AM. |