Jack’s Classic All Purpose 20-20-20 Fertiliser 1.81Kg
$47.00
Jack’s water soluble all purpose fertiliser 20-20-20 (20-8.6-16.6) feeds both through the roots and the leaves. This formula of nitrogen, phosphorous and potassium provides fast green-up and rapid leaf expansion.
NPK of 20-20-20 is based on the American rating system. Under the Australian system the NPK becomes 20-8.6-16.6.
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