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Data Storage & Auto Shut-Off: Save measurement records for later review and reduce battery waste with automatic shutdown
not an exact lab figure
the NPK soil tester focuses on N
this Brix refractometer is a must-have tool to perfect your recipes and ensure consistent quality every time
7-in-1 Pool Water Tester pH ORP Salt TDS EC Temp Meter plant nutrition spray Data Storage & Auto Shut-Off:7 in 1 testing: Measures pH, ORP, Salt, EC, TDS, Specific Gravity (S. G.), and Temperature for a clearer picture of water quality. Fast, easy readings: Dip, wait a few seconds, and read the resultsno messy strips or guesswork. Clear backlit screen: Large display is easy to read day or night (great for quick checks before a swim). Upgraded probe design: Built for reliable measurements and better protection during use and storage. Calibration friendly:
