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Thanks for all of the responses!! We agree with all of you guys!! We started to pull back on the nutes, thinking it was that too and things go worse so I think we made a bad thing worse!! Also, we are now doing CO2 AND fresh air and they look better! We don't spray with the lights on, we turn...

After all this I found the cause! We had got a new CO2 set up and the regulator has a small crack in it!! SOOOOO the plants were getting too much CO2! Thanks for ALL of your suggestions and comments. I think they will pull through. Like anything, too much of a good thing..........

One more thing, after I spray, do I have to turn the lights off? Thanks!

Yes, I did flush, last night, took about 4 hours!! We flushed with 6.5-6.8 water. I then turned the lights off for 4 hours and sprayed with the epsom salt mixture. I Was told to not take the dead leaves off because they need to just fall off and if I do take them off, some of the new ones may...

So today the leaves I took pics of are crispy and totally dead!! Is that what happens?? I am going to spray the plants again today. I did not do the nutes and was going to do it now but not sure how much the plant with absorb because of how wet the soil is. I am so close to throwing these away...

I only used 1/2 tsp per gal and turned lights off for 4 hours. Should I do it again since I did it so light? Also, do you need to turn the lights off when you spray? Thanks!!

On the epsom salt........ What ratio and do I use any emulsifier with that to help it stick to the leaves? I am flushing and will be spraying the leaves with epsom salt and turn the lights off for 4 hours after I spray. THANKS!!!

Ok, I am flushing right now and it is 6.1 and 6.2 on the runoff ph.

Regarding the temps, we do have our sensor at that level. Hanging down right above the leaves. What a day trying to figure this out! I think we may have figured it out. We got a new filter for our carbon filter and have 3 40 gal containers ready and we are getting ready to flush. We were...

Should I flush with any nutes, since it has been a week since I have given them? I just feel so reluctant to add epsom salt, but I have read that. I scares me. When should I give them nutes again?

Serapis, thank you so much!! We will try this. Maybe adding the Nitrex has made a small curl problem get worse!! I will get back to you on the ph. I will do a full flush. Adding a salt seems so bizarre because salt can kill a plant. Should I do the flush first with nothing first?

Regarding water, no, we make the water every day and we also add air to it. The ph run off, I will check again but it used to be under 7. I will do it today. So you think I should shut down 2 lights? I have about 32 plants in there. When you say heat stress, I am not sure because I have a...

We are using HPS and we are almost too far away on the lights, 24" away, so don't think that is it. I just took some leaves off and they are worse than I thought! Here they are. They actually look dead! I have read a lot of books that say plants don't need rest, so that is what I have always...

Is it possible we have too many lights? I have an 8x12 room and 5 1000w lights. There has never been a problem this bad!! I am really worried.

We have it at 74-76, I have 2 fans and we also have Co2 in the room. I have them on 24 hours light, like I always have. I live where it is very hot so that would not work, taking them all out side. Is there anything else you can think of that I can do? Do you think they look like they may not...

I have posted before and got some advice and have followed it. I do house and garden nutes and have not been over watering and do the nutes every other water. I follow house and garden to a T on their chart. I also add Cal mag and have recently added Nitrex . I know a lot of people will read...

Ok, we have been keeping the ph at 6.8 consistently and doing 'all the right things', it seems and the leaves seemed better. The turned greener but now they are cupping and from what I read, that is a nutrient problem. We are following the house and garden to a T and are being conservative so I...

Thanks so much for the chart. The hydro shop gave me one once and I lost it. I printed it out. When it says "Proper soil range", should I check the soil along with the ph of the water? I have checked the run off a few times but not the soil. In the "Nutrient Avail." I don't do my nutes...

We have had this same problem and have thrips!! Do you have a loom or magnifying glass? Turn the leaves over and rule out that. I would look at the bottom leaves and see if you can see any bugs. If not you can rule that out. Good luck!!

Anyone know about the PH lock out? I am wondering if the transplant will help? I figure if I have transplanted them, they should be able to absorb the nutes better, right? I need to start flowering and also wanted to know if I can or should I wait until I have all this figured out? I am about a...