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I agree with the co2 although the member I spoke with didn't use it...he was in a green house so id assume that was natural co2...I'm from south florida where it's in the mid 90's everyday so everything better like it hot or die...there are somethings that most defiantly help with heat such as...

Id still like to know as these things help w heat and the plants ability to take high heat....got a few guys on RIU running temps that reach as high as 120f!

Wow guys...no need to be so judgmental as most people are here to learn....and to answer your question a lot of people get by with out checking ph because they have blind luck or the right amendments in their soil to correct high and low phs...ph is very important!!!!

I didn't think 82f was too hot but never considered a bad read.

Do you know what your humidity is at? what is your water source? How close are the lights to the tops, and lastly what are you using for an exhaust fan?

Yep phos probably shouldn't be so high at the moment and so drastic in relationship to potassium. Are you using these at full strength? 8-20-5?..also I seriously suspect something is going on with the iron and manganese..here maybe this will help:

I don't believe so unless they are sold as reptile bulbs...I have seen some people say they used black lights also...might be reading into..

Lol I was close! I only use them form seed starting and early veg, but good to know that lower out out is for flowering I would have never guessed! I have seen some respectable grows using fluorescents only....I'm wondering if uv supplemental lighting is needed however for decent thc levels?

Like every day? Normally people water one day then take two off...depends on pot size drainage and size of plant...later in flowering I've had to water every other day but it's not good to water too often as this can take all oxygen out and doesn't give the soil a chance to balance out its...

The browning is more to the tips and almost looks like potassium abundance? Also the plant seems to be deficient in N? Now I say looks and seems because it could be a micro nute problem and the only way to rule that out is to know what your water source is?

Clones humidity level Growth Week 1: 70% Growth Week 2: 70% Flowering Week 1: 65% Flowering Week 2: 60% Flowering Week 3: 55% Flowering Week 4: 50% Flowering Week 5: 50% Flowering Week 6: 45% Flowering Week 7: 45% Flowering Week 8: 40% Flowering Week 9: 40% Seedlings humidity level Growth...

Bing! That's it...probably the most common problem I see is people using water that has absolutely nothing In it....tap water has a lot! And unless your putting these back in...well you can see what happens...long story short...use your tap water..just let it set out for a day to dechlorinate...

H humidity should be at 70-60 at that stage working your way to 40 as your buds form...but this isn't the problem...how often are you watering?

I was gonna say cal mag...spindly growth and brown spots on older leaves. Are you using RO water?

Ok so your using a 3-0-0 with cal and mag...and a 2-1-4 w vitamin b and I think a your missing everything like zinc...maganese, and very important iron!!! Start using tap water...let it set ok out overnight to gas out the chlorine and your good...or I use a very cheap product called ironite...

Depends on wattage I was lucky to have some old aquarium hoods! From what I remember the light Spectrum for 6500 is similar to early morning 8000 warm noon and 10000 a hot summer...anything lower is like a cloudy day.. I could be wrong like I said this is from what I can remember

They are usually sold as aquairum lights or coral aquairum lights for the 10k

Def micro mute problem...pics would help but sounds like cal mag related... Are you using ro or rain water?

This is normally true...they actually carry them up there and set them up like a dairy farm! But I have watched fire ants for years and they don't do this! Read my post last week about them!

Fluorescents in the 8k-10k range are best to start for tight internode spacing, you could also flower super early like sog with no veg, and also look in to using mh with a good red spectrum as this will keep your girls shorter...if you use hps with a weak blue spectrum it makes the plants stretch!