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• Quickly sends nutrients to where they are needed
Open design for maximum light output
• Use up to the day of harvest
The HI98107 tester features a large multi level LCD which displays both pH and temperature readings simultaneously
Hanna Instruments Checker Plus pH Tester flowering • Quickly sends nutrients toHI98100 Checker Plus pH Tester The HI98100 Checker Plus is the next generation of the original Hanna Checker pH tester. The Checker is the most popular pH meter in the world with over 1 million meters used since its introduction in 1991. From entry level growers to professional horticulturalists, the Checker has been helping people with their pH measurement as a meter that is simple to use and operate. The HI98100 Checker Plus pH tester has been
US$ 12.00
US$ 59.00
US$ 48.97
