Jack's Classicote with Crystal Green fertilizer Silicon dome shade protects the

Silicon dome shade protects the light from breaking or damage

Robust covered knob design

Take caution to not plant the seed more than 1/4" deep

Displays previous current reading to compare values

slowly available source of phosphorus and magnesium that would otherwise be lost as waste

Jack's Classicote with Crystal Green fertilizer Silicon dome shade protects theClassiCote with Crystal Green feeds your plants in a sustainable earth friendly way utilizing a renewable, slowly available source of phosphorus and magnesium that would otherwise be lost as waste. Crystal Green's, a highly pure, crystalline compound with innovative green technology that captures nutrients from wastewater. The controlled release nutrients are available to the plant in small increments giving time for absorption instead of washing