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I would recommend getting a light meter. How else can you know exactly how much light your plants are getting.

I have used 1000 watt lights to root clippings. If they are spaced far enough away they wont burn the plants. If they are too far away they won't be enough for that matter...

what is the conversion you are using to get your PPM? PPM is derived off EC and there are at multiple conversion factors used by different manufacturers of meters. I'm not saying this is wrong but, why do you jump around on your feeding levels? do you mean 3X and 2X per week? If so...

What lead up to this? What was the EC you where using for the last waterings leading up to this? How often do you water? I've used both coco and rock wool but never together. I usually mix perlite with coco and even tried with hydroton. I've switched to soil for everything.

actually, energy isn't being made but is being transformed energy is never created or destroyed... see: the conservation of energy and the first laws of thermodynamics

There is some interesting software at this site, I am trying to dowsnload the plant modeling software right now. here is an summary of their stuff: "One of the main goals of science is to find principles that unify apparently diverse phenomena. With this broad objective in mind, the...

I went out and bought a $30 light meter. It looks like the probe has a simple photo voltaic cell hooked to a voltage meter. It is made by environmental concepts. It goes to 10k footcandles, but when I turn it on I can't get it to read above 8k even when I put it on the glass of my 1000 watt...

have you read the first post on this thread? this is from the post "let your seedling or cutting (clone) grow to about 5-6 nodes" do a little research and you will find most of your questions are addressed in the first page

What do the fish give that you can't get with the right nutes? do you have any evidence to back your claim? I actually have fish in my water tank... I feed them a bit everyday. I started with 5 gold fish and an algae eater. these where cheap feeders. 4 died quickly, now I have one left and...

The EC of the stuff right out of the bottle is around 2.0 and when I mixed at double strength (didn't have a liter jar but used the amount for a liter) it was lower than my tap water, makes me think there is either a super secret, unlisted, super-natural, ingredient or the stuff is mostly...

my friend just brought me a bottle of 'finisher', it has a guaranteed analysis of N .0083% P2O5 (Phosphate) .011% K2O (Soluable Potash) .0505% I'm a bit confused, does this seem really low on everything?

I'm reading a tomato growing article on the Jack's Classic site. They are saying to add epsom salt for mag. Why don't they just add the mag to their nutrients? I have hard water that is about .5 EC, can I assume I don't need epsom salts or can I not assume the .5 EC is cal and mag?

are you growing from seed?

wow, I'm really naive, I'm slowly getting over it...

I've heard about people running a line from their water heater and/or pilot lights to get CO2. I have a tank. I turn off my AC and run the tank. In winter the temp is about 80F. If it gets too hot, I turn off the tank and run the AC. This is all done manually. My partners like CO2 and I...

I do things differently. I suggest trying out something a bit different (you know the old saying doing the same thing and expecting diff results is crazy...) Try getting high and *thinking* about it do you have a pic of your grow before you harvested? A bowl of buds is good but I'd like...

We can only go on what you have done and shown us. It doesn't look like you are, as you put it, self sufficient on making a plant tick. (your pics as a reference) Maybe you should re-read the post. He gave you great advise. Throw the plant out. Start a new one. Have you seen fight...

safe is good, I ordered some 20-20-20 jacks classic and some 10-20-30 bloom booster. I did my NPK ratio calculations of some of my current recopies for grow more three part and they seem low in nitrogen. It seems odd that if mix equal parts of their micro (high N) and bloom the ratio is 5 5...

I'm reading this from UB "For me, a 9-3-6 and a 1-3-2 is all I need." 1-3-2 is the same ratio as Jack's Classic Bloom Booster where does 9-3-6 come from? I'm looking at Jack's Classic All Purpose and it is 20-20-20. I mean can I use Jack's Classic stuff for Veg? Also, am I right...

this may be a dumb question but have you read the first page of this thread? https://www.rollitup.org/advanced-marijuana-cultivation/151706-uncle-bens-topping-technique-get.html the 'smaller nodes' above the cotyledons are the first. It doesn't matter if they are not 'heavier', they will...