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Symptoms of potassium deficiency include yellowing (chlorosis) and browning or die-off in older leaves (necrosis)
foam dipped with nitrile for superior grip
Can be mixed with copper-based fungicides without affecting performance
Filter: ½" MERV 8 washable
this formulation is ideal for growers looking for a general purpose medium which creates a well balance growing environment
16x16x2 Furnace Air Filters MERV 8 Pleated Plus Carbon 3 Pack Steel stake Symptoms of potassium deficiency includeNordic Pure 16x16x2 MERV 8 Plus Carbon air filters are made of a dual material where the MERV rated material has been fused together with a carbon layer. This results in less flow restriction and 33% more surface area for cleaner smelling air. It will help eliminate unwanted odors as well as trap most airborne dust and particulate matter for fresh, clean air. Odorous gases and vapors (VOC) are attracted to and held by the activated carbon material
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