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Ships within 48 hours · Estimated delivery Aug 18 - Aug 23
With a low cation exchange capacity
Dilution Ratios
Cost-efficient heavy galvanized construction
Control range 50° to 90° F with a built in thermometer displaying room temperature
About Pallet Size
Jack's Classic 20-20-20 spring-blowout With a low cation exchangeWith Jack's 20 20 20, you can improve growth in almost any situation any plant, any stage, any weather. This all purpose fertilizer has a 1: 1: 1 NPK ratio with 20% each of nitrogen, phosphate and potash plus trace nutrients such as iron and manganese to promote larger, greener growth. Use it from the start or to "green up" existing plants. The water soluble formula makes mixing it easy for liquid feed either directly to the roots or on the leaves.
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