Xtreme Gardening Mykos Pure Mycorrhizal Inoculum Granular 20 lbs PH/EC/TDS Meters and Solutions Zinc and several other minerals

Zinc and several other minerals at appropriate concentrations for optimal plant growth

Greenhouse & Indoor Agriculture: Protect crops from fungus gnats

and salts lockout like the presence and scent of mint

"Easy to install and it just works

There is a third button in the battery compartment that allows the user to customize the meter to their preference

Xtreme Gardening Mykos Pure Mycorrhizal Inoculum Granular 20 lbs PH/EC/TDS Meters and Solutions Zinc and several other mineralsDescription Mycorrhizae also release a glue like substance into the soil (Glomalin) which improves water storage and capacity, leading to lower watering costs. Although ideal for use on all plants, mycorrhizae are especially beneficial toward: tomatoes, herbs (thyme, basil, sage, etc.), pumpkins, beans, bulbs (all), squash, cantaloupe, carrot, celery, corn, cucumber, garlic, leek, lettuce, melon, onion, peas, potato, strawberry, and grape varietals.