by suttre This is tools and parts for a ~30 gallon automated watering system for a soil grow. I am going out of town for a week and don't have any plant sitters available. If you have a water source in your grow, i would do this a little differently (eliminate the pump and set
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Mix up your own Super Soil - then just water your plants and go!
Mr Green has been growing marijuana on a commercial scale since 1990 and has made thousands of clones. Learn the exact technique he uses to get clones consistently rooted fast, in 7-10 days!
Cannabis leaf edges and tips turning yellow? Copper deficiency can cause dark, shiny leaves with purple or blue undertones. Learn how to spot and treat it!
Nutrient burn causes the tips of cannabis leaves to turn yellow or brown. The burnt tips are the result of too-high levels of nutrients. Learn how to fix it!
Does your plant have "the claw?" The talon-like leaves that are bent at the ends are a sign that your plant may have nitrogen toxicity. Learn how to fix it.
Leaves with a potassium deficiency have yellow, brown, or burnt edges and tips. It may look like nutrient burn, but the leaf margins also turn yellow.
Boron deficiencies are rare and appear as brown blotches in the center of leaves. See what a cannabis boron deficiency looks like and learn how to treat it!
Calcium deficiencies cause tiny brown spots that appear on new and middle growth. Learn how to fix this problem for good!
Problem: A cannabis zinc deficiency causes younger leaves to start yellowing in between the veins. Leaf tips get discolored and may start dying.