I was looking for the in-line TDS meter that everyone is suggesting I get, but I can only find a handheld one on the WCR store. Is this what I'm looking for?
Single Inline TDS meter SM-1 - HM Digital - Bulk Reef Supply
Single Inline TDS meter SM-1 - HM Digital - Bulk Reef Supply
from Window Cleaning Resource http://ift.tt/1xZxliE
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