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- johnstrailers (6513)- Feedback left by buyer.More than a year agoVerified purchaseGREAT BUYER, THANK YOU-JOHNS TRAILERS SALES
Reviews (1)

Jul 03, 2020
Get what you pay for
2 of 2 found this helpful TDS pen don't work. Compared this product with a high quality one and the results were way different . Ph meter quit working after 2 weeks .