![5-in-1 Aquarium Salt Tester for $18 5-in-1 Aquarium Salt Tester for $18](https://c.dlnws.com/image/upload/c_lpad,dpr_auto,f_auto,h_300,q_auto:low,w_300/content/w2ypjiophy74rwrkw64d.jpg)
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Amazon · 1 mo ago
$18 $33
free shipping w/ Prime
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Clip the 5% off on page coupon and apply code "40FAA3JX" to save $15. Buy Now at Amazon
Features
- measures salinity, pH, TDS, EC, temperature
- LCD display
- for pools, aquariums, hot tubs
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