PH Up & Down Bundle Size:8 Ounce - Bundle Use CalMag & Iron as

Use CalMag & Iron as a root drench or foliar spray

coco and DWC systems

No products from Humboldts Secret are made with any harmful or banned PGRs

and we provide them as a resource for use at individual growers discretion

magnesium and iron specifically formulated to address any deficiencies that could be encountered

PH Up & Down Bundle Size:8 Ounce - Bundle Use CalMag & Iron aspH Up & Down Bundle provides precise control of nutrient solution pH to support healthy plant growth. Designed to raise or lower pH levels as needed, both solutions are highly concentrated, dye free and effective across all growing mediums including soil, hydroponics, coco and DWC systems. Developed by growers for growers, this bundle delivers reliable, efficient pH management with just a few drops per use.