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Keep your pH measurements simple & accurate
greenhouse
Perfect for both consumer or commercial use
Double View Window design for observing the plants without going inside
Green Planet PK Spike 0-14-15 - 1L timer Keep your pH measurements simplePK Spike is engineered for the serious grower. Derived from multiple, highly soluble sources of phosphorus and potassium, this product is designed to encourage budding, help facilitate bulking, and ripening of many flowering plants.
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