Hanna Checker pH Tester with 0.1 pH Resolution cloning-&-seed-starting Our new heavy duty modular

Our new heavy duty modular commercial heat mats will provide uniform heat for hundreds of seedlings or cuttings

Used in conjunction with Humboldt Nutrients powerful additives we assure that your yields and quality will increase so dramatically

and extremely short internodal spacing

pH and temperature readings are time and date stamped

Made specifically for Sun System Pro Sun DE fixtures

Hanna Checker pH Tester with 0.1 pH Resolution cloning-&-seed-starting Our new heavy duty modularThe 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