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Add 1 TBS (15 ml) per 10 gallons of soil
Set point adjustment (from 0 to 14 pH) and calibration procedures are easily performed with trimmers on the front panel
An Electronic Shut Off Kit is not required
Not derived from Sodium Silicate
The easy to use mixing chart shows step-by-step how to successfully use these nutrients in combination and for maximum benefit
Hanna Checker pH Tester with 0.1 pH Resolution stocked Add 1 TBS (15 ml)The HI98103 Checker pH tester has been designed with many advanced features while maintaining the look and feel of the original Checker. The redesigned Checker now offers automatic calibration to one or two points, automatic buffer recognition, calibrated buffer tags, stability indicator, low battery indicator, and selectable automatic shut off. The Checker still maintains the iconic pentagon design with a probe that measures 103 mm in length and
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