We are willing to negotiate for you.
eBay
PH: 0.00-14.00pH. Model: PH 98106. Use: Aquarium, aquaculture, fish hatchery, food processing, laboratory, paper industry, swimming pool, school and college. If you do not receive our reply within 48 hours, pls.
eBay
Help the salt chlorinator work more efficiently in the appropriate salinity value. Check the salt concentration of saltwater pool & hot tub that use salt chlorine generator. Test the pH level of pool- pH: 0.00-14.00.
eBay
eBay
Red backlight = non-drinkable warning (>50 ppm), green backlight = directly drinkable (<50 ppm). 【Multipurpose Tds Tester】 Test the purity of drinking water to ensure it's safe and healthy, monitor if Reverse Osmosis (RO)/Deionization(DI) System works properly, whether filter need replaced, maintenance aquarium, hydroponics(test nutrients), well, pool, hot tub, spa and testing tap water, bottle water etc.
eBay
1 Water quality testing pen. High sensitivity probe, high sensitivity bulb containing protective fluid, effectively extend the life of the electrode. Due to the lighting of the photos and the difference of monitors, the pictures may not reflect the actual color of the real item.
eBay
⭐ Before drinking a test, drinking water at ease, TDS on behalf of the total soluble solids content in the water, the lower the TDS value / the purer the water quality. ⭐ PORTABLE DESIGN-- Handheld TDS tester pen style and makes it conveniently fits in your pocket or bag and goes anywhere.
eBay
High sensitivity probe: Wait for 3 seconds to obtain accurate and precise soil information. Product model: Six in one soil detector. Tester 1. Usage: Insert into soil. PH value: 4-9 Accuracy: ± 0.2.
eBay