Nutrient Lockout help!!!!!

So some of my babies experienced some nutrient Lockout..I flushed them with some pH down a couple days ago. I guess my question is do I just water with regular pH water for a couple rounds or can I get back to feeding after I fluahed? Or should I just water with pH water check to make sure the pH is proper then next water go back to feeding at 1/4 g 1/2 strength? They are super yellowing thruout the plant now so I a..worried they aren't getting anything now because it's all flushed out..plz help!

No pics and no info on grow media, style temps , RH
nutrient use ...
You better step up your game
What week in flower are you?

Herb & Suds said:

No pics and no info on grow media, style temps , RH
nutrient use ...
You better step up your game
What week in flower are you?

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I am just asking in general basic question and I linked my other post with all the Information to this one but for some reason it didn't work. No need to be rude.

HP Pro Mix
600watt MH
48"×48"×78" Grow Tent
6" inline fan for exhaust
10" Fan for Air Movement
Megacrop by Greenleaf Nutrients
Liquid Karma Foliar Feed
76°-78°F and 30% Humidity
Currently in Veg Cycle
Affecting my 5 blue cookies females but not any of my Purple Kush, Chem Dawg, Bubble K or Blue Gelato.
I will try and read the link with pics after this post. But I flushed with pH down untiI a pH of 6-6.2 was attained. I was going to wait ubtil the medium dried out again before reintroducing the Megacrop nutrients at 1/4 -1/2 strength. I was also going to add some cal mag as I think they have a major deficiency there from the lock out. I was thinking about restarting the Liquid Karma as a foliar feed tonight for the leaves Instead of waiting a day or 2 like I am for the megacrop though..maybe not tho.

https://www.rollitup.org/t/advanced-nutrients-vs-mega-crop.985571/page-6#post-14939459

https://www.rollitup.org/t/whats-wrong-with-my-baby-girls.990915/#post-14942397

https://www.rollitup.org/t/what-kind-of-deficiency.990983/#post-14944720

These are all postal have made over the last week or so of the babes and before and after flush ext.

One thread is enough man.

I don’t understand how you could induce lockout with Megacrop.

hotrodharley said:

I don’t understand how you could induce lockout with Megacrop.

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I thought it needed calmag late in flower?

Herb & Suds said:

I thought it needed calmag late in flower?

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Excess calcium is a prime cause of lockout. Yes they need calcium and magnesium during flower and that’s when most start noticing a calcium deficiency.

Dude I told you over in the MC thread to make sure you don't just have a Mg def.

macsnax said:

Dude I told you over in the MC thread to make sure you don't just have a Mg def.

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Put up some pics

I doubt you'd have a cal-mag def issue this early, especially in soil. Stop feeding them everything.

hotrodharley said:

I don’t understand how you could induce lockout with Megacrop.

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I don't either. I have no idea how it happened. Everything is always pH perfect and I started with 1/4 strength and moved up to half and so forth

The cal mag was more for the iron and mag then anything as they def are deficiant for both. And cal mag has iron and is known to be given when you have iron deficiency.

A couple of the affected Blue Cookies Plants are already starting to get some healthy green growth at the top and the yellowing edges has stopped. The flush with the pH down has already made a difference. I will be feeding Megacrop and maybe some cal mag at 1/4 strength when they need a drink next. And continue with the liquid Karma as a foilar feed.

I have seen high PH cause plants to yellow. (megacrop too). I think you are on the right track with the ph down.

70's natureboy said:

I have seen high PH cause plants to yellow. (megacrop too). I think you are on the right track with the ph down.

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Yes all of the affected plants have bounced back really well since the oh down and now I have started on 1/4 mega crop again and so far so good! So the issue was definitely high pH.