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Digital results from 0 to 9.9. Printed instructions and extensive plant list...
$12.99
Digital results from 3.5 to 9.0. Instructions and plant pH preference list included...
$14.99
Easy to read digital readout. Guidelines for germination and transplant temperatures included...
$14.99
Digital device for determining soil pH, soil temperature and soil fertility. ..
$35.99
Digital soil testing device for determining soil pH, N content, P content, and K content...
$34.99
Determines soil pH, soil fertility, soil moisture, and the amount of sunlight per day...
$35.99
