dark/brow spots, papery apperance, leaf twisting

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sh00zkosmosu

Member

  • potting soil 2,5 gal
    400w HPS
    watering every 3-4 days
    4th week of flowering
    floranova, koalbloom nuts every week or so
    don't have a ph tester, but tap water i use have ph about 7-7,5
    clearex flush i just did didn't help a bit

    any help appreciated

    sh00zkosmosu​


    ​
 
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althor

Well-Known Member
This is what I would do. Get some PH down. Put about 1/8th of a capful in a gallon of water. Let it sit for a few hours. Water your plants. Cut off the dying leaves, those in the worst shape. No point in wasting energy trying to heal themselves. Give it about 8 hours and see if you notice a reaction. Look for leaves lifting up towards the light.
 
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sh00zkosmosu

Member
i have some ph down fluid - what whater ph should i put? about 6,5? like normal watering? let it rinse from bottom of pot a little?

thanx
 
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althor

Well-Known Member
sh00zkosmosu said:
i have some ph down fluid - what whater ph should i put? about 6,5? like normal watering? let it rinse from bottom of pot a little?

thanx
Click to expand...
Well you said you didnt have a ph meter, so I assumed you wouldnt be able to check the water. 1/8th of a capful will certainly lower it some, but not alot in a 1 gallon.
What kind of soil are you using? I am also guessing that if you are watering with 7.5 ph water that you need to bring it down. But knowing the type of soil may help with that. Just looking at your pics, you have several issues happening, generally when I see several issues I attribute to PH being off. Throw in the 7.5 ph water and that would definitely point towards ph being the issue.

And yes, water until water comes out the drain holes at the bottom. You want to be sure and spread the lower ph water throughout the soil.
 
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althor

Well-Known Member
Ok, do you know the type of soil you are using?

For instance if you are using something like Sunshine, it starts out with a PH around 7, and a soiless you want around 6. So if you are adding 7.5 to 7 and you want 6, you need to bring your water ph down to around 5-5.5. If you are using a soil like FFOF, it actually comes in starting low ph around 5.5, in which case you would only want to drop your water to 6-6.5.

Ah ok, you answered around the same time I was answering..

Miracle grow is around 6.5-7, so I would suggest bringing your water down to around 6. That will lower it some, but not alot. See what the effects are. Give it a handful of hours and check to see if they are responding.
 
bandit08

bandit08

Well-Known Member
althor said:
This is what I would do. Get some PH down. Put about 1/8th of a capful in a gallon of water. Let it sit for a few hours. Water your plants. Cut off the dying leaves, those in the worst shape. No point in wasting energy trying to heal themselves. Give it about 8 hours and see if you notice a reaction. Look for leaves lifting up towards the light.
Click to expand...
1/8th of a capful to a gallon of water? what ph down are you talking about?
 
tiltswitch

tiltswitch

Well-Known Member
jeesus my ph down i need like a tiny little drop in a gallon and half the time its too bloody much...
 
scroglodyte

scroglodyte

Well-Known Member
"don't have a ph tester"
hey.....good LUCK with your problem. i HOPE everything turns out. without proper gear.....that's what you are riding on, Luck, and Hope. i like better odds.
 
Senseimilla

Senseimilla

Well-Known Member
Buy a digital pH tester. Get a soil pH meter. <-- These two will help you head off a LOT of the most common issues you are going to run into as one of the most common issues is pH problems. Water with 6.5-6.8 pH water heavily. It would help to know where your soil is at as well. If your soil is too acidic you may need to add some lime.

You can get either at a hydroponics or pool supply store today. Good pH meter won't be cheap probably unless you get it online. I wouldn't wait for online based on where your plants are at. A lot of gardening centers as well as hydro stores will have a soil pH meter. You just stick it in the soil and it tells you the pH easy.
 
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ogreballerina

Well-Known Member
Even a simple 10 dollar PH test kit can stop a lot of headaches.

They are simple... fill small vial, add drops, check against chart.

Also check PH going in and coming out ( Test run off water ) Also a PH soil tester is real cheap ( About 15 bucks ) You just stick it in the dirt.

If you buy a PH pen...make sure you keep it calibrated and clean. I used to use one but in the long run the simple PH test kit worked better. ( No batteries, no constant calibration, no worrying about damaging the sensor tip )

And never use PH adjusters not meant for plants. Never.

My tap water is 7.5 PH...a capful of PH Down would turn it into battery acid. I use a dropper and test every hour for one day then twice a day until needed.

Keep water in a 5 gallon bucket with a small pump or air stone to dissipate any chlorine.

I have 2 x 5 gallon buckets...One with nutes and one plain water and it is always a few days before PH settles out to where I need it.

Adding it ( any PH adjuster...either UP or Down ) just prior to watering is a no no...as it is still adjusting, even in soil. Let it set out for a couple of days to de-chlorinate and allow the PH to stabilize.
 
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sh00zkosmosu

Member
i really doubt it is a ph issue ...
i flushed them with purified water (ph 6.5) i didn't help, feed some mg, still the same :(
the are not getting much worse, kind of stilled beetween life and death :(
what is interesting i have 3 different strains - chocolope is wabbly with pale spots. sharksbreath/rocklock has rust spots like seen on a picture and the last one is just fine ...

i'll wait antill soil dryes a little and try to feed them

anyone has any other suggestions?
 
Sparky4u

Sparky4u

Active Member
If its a ph issue, mix one quarter cup of ammonia with a gallon of water, and it will rebalance the ph back to neutral for ya.

It also could be an overnute problem, each strain is has its own preferences, and you did say not all are experiencing the issue. Stop giving nutes for at least a few days and let the sick plant settle itself out of the potential adrenalin rush from possible overnuting...when its leaves start reaching back for the light, give it a few extra days to week more at least, then half cut the nutes back into the program til fully stabilized. Less nutes are often better than too much.
An overload in one respective nute, may/will mean an inability to intake/process properly the others, thus leading to a future deficiency in other areas for you to symptom treat... Good luck chief
 
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sh00zkosmosu

Member
the thing is a don't really think i put too much ...
i'm feeding once a week at most with flora bloom 10 ml/gal and last feed which was more than a week ago i added 5 ml of koal bloom.
do you think it's too much?
i'm watering every 3-4 days
 
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