Small spots on some leaves

[MickyPolau]

These spots started to grow almost three weeks ago, but in very little amount. Because of that I was not very worried, but now it starts to increase on all the plants. In my opinion still not very bad but something must be wrong. Some leaves also show some very small wholes.

Is this a bug or something else?

Thx guys

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[namvet25]

What kind of nutes are you using?What is your ph?Looks like nute lockout of phosphorus or potasium or to many nutes.I would flush them with ph water and let hem dry out for now.Have you been using cal-mag or lime,let us know thes questions for further evaluation.

 

[Muddy]

I agree, most likely a deficiency caused by your pH being off. Need to know the pH of your soil or run off before doing anything.

 

[MickyPolau]

I checked today for any insects with a magnifying glass and can not find anything disturbing, so as you guys say it's probably cause of my PH. I dont have any strips left so tomorrow I ll go buy some new strips to check the PH of my run off water. I am using tap water for my plants cause I was almost sure that the PH in the tap water is neutral. Anyway I ll see tomorrow, thx for the tips

 

[Hugo]

Aren't those leafs a bit flacky and somewhat weak?

I agree it's not bugs. It looks like some problem with nutes. By the colour of your leafs I'd say you giving them plenty, so it's possible to be salt build-up in your soil. You should do a flush as namvet suggested and get that pH in order.

Cheers

 

[MickyPolau]

Trouble guys, just checked the PH of my tap water, and its around 8. also my run off water is around the same. I know this is way too high, and that I need to flush my plants asap. Tomorrow I will go to the shop to buy the necessary goods to do a proper and effective flush. Which product should I use to lower the PH in my tap water? I guess the water i use to flush the plants also needs to be PH neutral?
The perfect pH for soil mix is between 6 and 6.5 If i read it right?

I see more and more damage on the leaves, especially the bottom leaves looks like they gonna fall off very soon, as they look bright green and dead..
Thx for the advice!

 

[JM]

easiest to work with for water is pro ph down.... its basically phosphoric acid... works great and fairly stable... remember to adjust and then mix and wait 1/2 hour before expecting an accurate reading... hold 6.3 - 6.5 on your soil... if you're at 8.0 I'd start you ph watering at 5.5 initially and then as your soil scales down slide up to 6.00

 

[MickyPolau]

I'm able to get a specific product tomorrow to lower the PH, its also helps the plants to get back to a healthy state through some nutrients aditives.
http://www.tarahydroponics.com/ghe-ph-down-1ltr-p-189.html

Would this be a good product to lower the ph ? Cause im scared other products would damage the flower process, as they started producing nice buds since last week.

 

[Hugo]

Yeah, that one is ok

 

[JM]

never used it but sounds fine to me...