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How To: Use CalMag & Iron at a usage rate of 2-5 ml/gallon
It helps improve flavor
improved photosynthesis and overall plant nutrition while helping plants better handle environmental stress
Elevate your gardening game with Humboldts Secret's 32 oz hose sprayer
Use CalMag & Iron as a root drench or foliar spray
PH Down Size:8 Ounce How To: Use CalMag &pH Down is a highly concentrated solution designed to accurately lower pH levels in nutrient solutions for optimal plant health. Made with commercial grade phosphoric acid and free from dyes and additives, it works across all growing mediums including soil, hydroponics, coco and DWC systems. Developed by growers for growers, it delivers reliable, precise pH control with just a few drops.
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