Dual probe in-line TDS meter - Calgary

[Willito]

No longer using these on my RO/DI system so they're up for sale. I have two units, $25ea or both for $40. Both are in great condition.

http://www.reefsupplies.ca/online-store/Dual-probe-in-line-TDS-meter.html

[Rubicon]

Pmd

[Willito]

Sold