Just when I thought I knew it all

[KL4D4]

The plant just started to look this way with the change from our tap water which had a PH over 7.6 to a neutral 7 in the form of r/o purified drinking water from walmart, over the past two weeks.

Some sort of nute lock out, or a general ph problem. I haven't flushed and tested soil yet but if need be I shall.

The older leaves seem to be more effected and the new ones are becoming that way as well. I'd say the general growth of the plant has slowed.


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As you can see from this picture... even though the flowering light sorta influences the color of the pictures there is definitely a difference between the green moving towards the yellow....

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These little black spots appear in a few different places and really isn't on all of the leaves.
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These spots are appearing all over.

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New growth coming out a lighter green vs the old growth which is darker.
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This was odd to me, why is it that this lead died but left some green patches in it still?



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KL4D4 Reviewed by KL4D4 on 03-19-2008. Just when I thought I knew it all The plant just started to look this way with the change from our tap water which had a PH over 7.6 to a neutral 7 in the form of r/o purified drinking water from walmart, over the past two weeks. Some sort of nute lock out, or a general ph problem. I haven't flushed and tested soil yet but if need be I shall. The older leaves seem to be more effected and the new ones are becoming that way as well. I'd say the general growth of the plant has slowed. As you can see from this Rating: 5

[grey1223]

I switched to r/o water to see if it helped. It didn't mostly because imho the water contained no ca or mg. Unless you have bad tap water stick with it or add calmag to your r/o water.

[stinkyattic]

Yup, add calmag, and THEN test the pH of the solution and bring it into range before watering.

[KL4D4]

A little update with tap water again... cal mag is hard to locate.. epsom salt does the same trick? Still yellowing and slow growth along with the spotty leaves

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[stinkyattic]

No, epsom salts are magnesium sulfate and you are going to lock out other nutes. NO EPSOM SALTS unless you are treating a CONFIRMED simple Mg def, not a lockout, and even then, use sparingly, preferably as a foliar feed.
Any complete fert with micronutrients will help you if you apply it as a foliar feed, but your primary goal now is to flush excess salts, stabilize pH, and be certain that your soil drains correctly. You are more likely locked out than deficient.

Lime and bone meal both contain calcium. Try scratching some bone meal or lime into your soil surface starting at a light rate of application. Be careful; more is not always more as you can guess!

[KL4D4]

Turned out we had mites...

[stinkyattic]

That actually looks more like the damage caused by thrips, and bugs weren't your only problem. Ca deficiency was the big one.

[KL4D4]

We flushed the plant out right and the new growth is staying a nice green and over all the entire plants hue is becoming more green slowly...