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House & Garden Commercial CalMag can also be used as a supplement with other nutrient regimens and is highly recommended for use with reverse osmosis water and when growing plants in coco coir
Great for replenishing soil between grows in your raised bed
*Athena 10 lb includes 5x 2lb bags
and will evenly mix throughout the water column
Hanna GroLine Tester Replacement Probe HGC728890 House & Garden Commercial CalMagThe HI73127 spare pH sensor makes electrode replacement quick and easy. The spare pH sensor is designed as an easy fit cartridge that locks into place, featuring two o rings to maintain a watertight seal. With no pins to line up or that can break, this sensor is ideal for quick replacements. Easy to replace. Extend the life of your Hanna pH tester with a spare pH sensor. Keep your pH measurements simple & accurate. Replacing a pH sensor on one of