Health & Personal Care View cart “GHB Digital Meter EC and TDS TDS Temperature Tester Water Quality Tester LCD Digital Portable Tester 3 in 1 – Pen Shape – White” has been added to your cart. Showing the single result Default sorting Sort by popularity Sort by latest Sort by price: low to high Sort by price: high to low GHB Digital Meter EC and TDS TDS Temperature Tester Water Quality Tester LCD Digital Portable Tester 3 in 1 – Pen Shape – White $15.99 Add to cart