Leaf color and drooping - whats wrong?

Misting is a no go learned that the first time around. These guys are right it will burn the plants up. Inside your sun sun is only inches away from the plants with minimal air circulation. Outside you have constant air flow & other factors + plus the sun is millions of miles away. I also grow a pretty big vegetable garden outside & never water my plants when sun is at full strength. Only in the early morning or late in the evening.

jaymo4 said:

What should I add for my cal/mag issues? I use RO water which has a PH in the 5.7 range, I add full strength nutes and alternate my waterings so every second watering is fresh water. This will change when i go into flower but I just thought I should sorta flush out my roots after noticing some leaf problems.

I dont have a device to test the ph of my soil but I cant see it being out of whack due to my watering schedule. I will stop misting the plants, I was just used to doing this under my fluoros to keep the humidity up around 50%. If I dont mist I find I am often in the low 40s but I don't want to invest in a humidifier if I dont have to

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Just some advice you should really invest a couple dollars in a ph test kit. Just go to the pet store and go by the fish; get some test strips, ph up, and ph down... it shouldn't cost more than $20 and it's well worth the $. the ph level in your water can affect a plant allot. and also your water should not have a ph level of 5.7, that's not too bad but it should be somewhere between like 5.8 & 6.8

As for the humidity, if you're growing in a relatively small area (smaller than a whole bedroom) place a cup of water in the grow room and it will raise the humidity.

newcastle420 said:

Just some advice you should really invest a couple dollars in a ph test kit. Just go to the pet store and go by the fish; get some test strips, ph up, and ph down... it shouldn't cost more than $20 and it's well worth the $. the ph level in your water can affect a plant allot. and also your water should not have a ph level of 5.7, that's not too bad but it should be somewhere between like 5.8 & 6.8

As for the humidity, if you're growing in a relatively small area (smaller than a whole bedroom) place a cup of water in the grow room and it will raise the humidity.

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I have a ph test kit, probably the exact one you are describing, this does not tell me the ph of my soil, just my nutrient solution. I do not know what my true soil ph is, just what I am fertilizing/watering with.


Also I have heard a lot of people say I have a cal/mag deficiency. What products can I purchase that will solve these problems?

You dont know shit. Magnesium def. can cause spots. potassium def can cause spots. Manganese def can cause spots. Lots of shit ,including insects can cause spots. The wrong PH can, indirectly, cause spots. If the intense light is much further away it is no longer as intense. F'ing amazing having to explain this! BUT, even from billions of miles away the sun is still more intense than a friggin' 600w light.
newcastle420;4006979]yo voodoo y dont you do some research before you start giving advice. look it up misting will cause spots... the only thing nute burn will do is turn the edges brown or yellow. and sure the sun is way more intense than a grow light but its also a hell of allot farther away... I think that a less intense light can do more than a more intense light if the less intense one is closer.

Also i'm pretty sure that farmers get spots also... farmers spray the crops because its cheaper than running a fuckin line through the whole field to just water the roots. a few spots wont kill your plant so farmers aren't worried about a few spots on the plants when they have thousands of them.

So tell me how that's bullshit?[/QUOTE]

...voodoo brother, ofcourse the sun is more intense...there's many of different factors indoors verses outdoors. I hear what your saying and all, but....I'm only giving advice from my own experience.

...when I first started growing I mist the hell out of my plants, especially in the veg state....it only made sense to me, since the rain falls on the leaves in mother nature. I noticed crazy spots, but was in denial of it being anything serious...and I continued business, learning....until one day, my hydrostore cashier associate brought to my attention, that spraying your foilage while the lights are on will cause burn spots on your leaves...and "BAM" ...it hit me....those crazy fuck'n spots! Mind you, I was only growing under a 400watt MH at that time, so.....even a 400 watt MH will burn your leaves if you mist your foilage while the lights are on. I don't want to beat this to the ground with ya man....it's pointless, you can look into my journals, or photo albums and see, I'm not bullshit'n noone bro....I'd give you any advice if I could, if it would help....and IF you needed it. Not here to beef, I just want to talk about growing....you say you don't mist your plants anyhow, nor do I....but, I learned the hard way not to mist while lights on....that's all I'm say'n, it's true....scouts honor!

jaymo4 said:

What should I add for my cal/mag issues? I use RO water which has a PH in the 5.7 range, I add full strength nutes and alternate my waterings so every second watering is fresh water. This will change when i go into flower but I just thought I should sorta flush out my roots after noticing some leaf problems.

I dont have a device to test the ph of my soil but I cant see it being out of whack due to my watering schedule. I will stop misting the plants, I was just used to doing this under my fluoros to keep the humidity up around 50%. If I dont mist I find I am often in the low 40s but I don't want to invest in a humidifier if I dont have to

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...reverse osmosis water, has a ppm near zero...which means there is nearly nothing in it, element/mineral - wise. Tap water is usually near 100-300ppm...there's alot of cal./mag. in your tap (most tap is loaded)....so, if your using reverse osmosis water, your going to need to add about 5ml per gallon of cal./mag. I use a product named cal.magic when using RO....you can find similar products at any hydro store....but, I mostly just stick with tapwater, only adding cal./mag. when/if I see dif.

Don't worrie about your soil's pH....just keep control of what your putting in it. Soil's ph raises as it dries, and becomes acidic when wet...so, it is constantly swinging.

...let your plants dry out first and formost, stop the misting as you know, unless the lights are off, and never mist past week 3 of bloom if you do...when your pots are good and dry, water them with cal./mag. added to your h20....don't water again until your plant's soil is good and dry...let them dry everytime inbetween water'n. (I've never in my life had a problem with "low" RH btw, mine stays in the 40's durin veg. and flower)

Lets agree to differ. I do agree with the rest of the post.

trichlone fiend said:

...it's not a myth my friend, it's a fact....if you spray/mist your leaves (NOT WATER YOUR SOIL) ...you will, in fact, without a doubt, burn your leaves. HOWEVER, the pic he showed with the yellowing on the edges of his leaves is a cal./mag. issue I believe, or ...he may have overfertilized if hes also seeing burnt tips.

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That simply is not true dude. It CAN burn your leaves, yes, but that doesn't mean that it "will, in fact, without a doubt, burn your leaves". As voodoofx said, burning has more to do with the nutes in your water than the water itself for the burning. I mean think about it, out in nature the ONLY way plants would have been getting water is from rain which would (most likely) be falling from the sky directly onto the plants, thus heavily spraying/misting the plants. Nutes would primarily be coming from the soil, allowing rain to hold less nutes and be closer to pure water causing it not to burn the leaves of the plants. In fact, many people advise spraying /misting plants ONLY DURING VEGGING because the plants can foliar-feed quite well and it is a very quick way to enter the plant's system. However, one shouldn't mist during FLOWERING because it can contribute to mold in the buds. Whether it is a good idea to mist under light or in the dark is debatable. If one mists under the light it CAN (but doesn't always) cause burning, but if one mists in the dark (when it is usually cooler) this can contribute to molding/mildew if the temperature difference between light and dark is substantial.