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the ice probe works well with small res setups.. the key factor to operation is insulating your res.. that keeps the water at a steady 65 regardless of external temp.. cheap shiny foil insulation @ home depot does wonders.. :bigjoint:

i just snipped a nice fat bud off a lower branch of my ultra sour/week #5 flowering... put it on a plate over a pot filled 1/3 of boiling water (low heat) for about half an hour... packed a bowl and i'm pretty toasty right now.. lol all those myths of drying and curing.. as long as you dry...

+1 for diatomaceous earth.. works wonders! looks flour or baking soda, safe for plants, and totally safe for human ingestion as well these gnats live/hatch in the soil... i just cover up the top of soil with a layer after watering.. repeat once or twice.. after a day or two.. they are gone...

seems like your seedlings are dying from thirst.. ppm is not an issue if water is not even getting to your seedlings.. you need to either hand water or run a drip.. the rockwool should not be dry until roots are in water.. good luck!

came across this in another thread that contradicts the no nutes rule.. this seems like the route to go :lol:

LMFAO @ SEXY SAX MAN!!! "he doesn't like george michael boo!!!" lolzzz :bigjoint:

i'm right there with you bro. it's quite the learning process.. but we'll get our buds in the end :weed: i'm still pretty sure there's a general consensus about no nutes till veg phase, which at the minimum, does not begin till at least 4 weeks from germination. this applies to both soil and...

going by that.. at which week, from germination, did you start adding nutes? brown spots sounds like nute burn.. pretty sure you're going through the same thing i recently experienced.. no nutes till veg phase.. which is at least 4 weeks from germination i was advised by superstoner1 that my...

depending on strain.. they will double to triple in height during flowering.. so you should veg accordingly by how tall your tent is and how much clearance is required for the lights looking great by the way.. goodluck with grow!

3" neoprene inserts

you can keep the water level higher in the beginning so the bubbles splash onto the rockwool.. and then lower water level as the roots grow out.. roots can be exposed to air.. that's the whole point of the air bubbles.. but they shouldn't be exposed to light.. good luck with your grow!

maybe you could try to apply a thick lining of caulk/epoxy/sealant around the bottom of the lid to act as a drip guard.. water would splash.. drip towards the sides.. hit the lining.. and right back into the water.. voila! :bigjoint:

moved to dwc about a week after germ.. when cotyledons began to unfold (3x AK47 regular seeds and 1x Blue Thai feminized) by the way, figured out the browning on leaves.. definitely nute burn. i had read some instructions incorrectly.. :wall: but i'm fully aware now... no nutes till vegging...

hi everyone.. first grow from seeds.. Day 17.. first set of leaves showing some brown spots.. anything to worry about? thanks in advance!