Athena Stack Variant:32oz / 0.9Ltr it takes 12–24 hours for

it takes 12–24 hours for the reading to fully stabilize after initial insertion

Unique 50/60Hz digital operating current for efficient operation of CMH lamp

Yes the coco medium can be re‑used multiple times before it loses effectiveness

After extensive testing

ensure that you shake the Green Cleaner container vigorously to mix the contents thoroughly

Athena Stack Variant:32oz / 0.9Ltr it takes 12–24 hours forNatural Help From Natural Kelp Athena AG Stack is a natural, high quality, multi purpose plant conditioner derived from kelp extract that promotes healthy growth and hearty flowering, and helps your plant reach its maximum flowering potential. Athena Stack can be used as a foliar spray and root drench that can help correct minor potassium deficiencies. It can also be used as a pre transplant conditioner to help reduce stress and increase vigor, or a