Description
Maxsea Plant Food 3 20 20 Bud & Bloom 20lb Pallet of 48 Power & Lamp Cords so you don't have to so you don't have to discard the entire pen when the probe reaches its end of life Large 3 color backlit screen gives you clear information IP67 waterproof rating Powered by AAA batteries with auto off function Automatic temperature compensation specifically formulated for feedwater with the highest levels of metal oxides