PH test rau seedbeds, PH test rau alkaline av, PH test rau acidic av, PH test for coir av, PH test for substrate av, etc. Dav siv nyob rau hauv kev ua liaj ua teb, txiv hmab txiv ntoo seedling vaj, av tshawb fawb, cog tsev cog khoom, thiab lwm yam.

PH328 Digital Backlight Av Tester 3in1 PH / Moisture / Temperature Multifunction Portable Av PH Test Probe Temp Humidity Meter