Jack's Classic 20-20-20 spring-blowout The Barnstormer comes in 12"

The Barnstormer comes in 12"

Control range 50° to 90° F with a built in thermometer displaying room temperature

With a low cation exchange capacity

Controls up to 3 units

Jack's Classic 20-20-20 spring-blowout The Barnstormer comes in 12"With 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.