Pay in 4 interest-free payments of $24.99 Learn more
Ships within 48 hours · Estimated delivery Jul 28 - Aug 2
pasture grasses
Your uS/cm reading can be approximately converted to TDS (ppm) as shown in the examples below
the mineral exfoliates (or expands) in the accordion-like layered particles familiar to many as a part of soil less growing mixes
DE kills insects by drying `em up
Apply up to 4 times per year
Carl Pool Hydroponic Special 4-18-38 Water Soluble Fertilizer Size:25 Pound Bag pasture grassesFrom Texas based crop specialist Carl Pool comes a water soluble fertilizer that serves as a complete nutrient source for a wide variety of crops grown in both hydroponics systems and and soil based agriculture. Carl Pool 4 18 38 Hydroponic Special is a complete blend of essential plant nutrients including magnesium and sulfur with no need to add Epsom salt (magnesium sulfate) to create a Part B of a two part nutrient solution. Carl Pool 4 18 38
US$ 10.99
US$ 42.00
US$ 19.43