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Help with my nutes

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Old hippie
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Hey guys  I did a res change yesterday. rdwc .     .7 Ec and 6.0ph static through the day   This morning .7 Ec and 5.1 ph    adjusted ph back to 6.0 .  What is causing the drop in ph ?  It does this consistently throughout bloom  

 
Posted : June 7, 2020 5:55 pm
BubbleHok, twisted1, monkeydo and 9 people reacted
Macky
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OG
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Its the phosphorus being used changing the ph i think mate. Try giving the ph at 6.2 and see how that changes things 


"Keep away from people who try to belittle your ambitions. Small people always do that, but the really great make you feel that you, too, can become great.”
― Mark Twain

 
Posted : June 7, 2020 6:18 pm
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@macky     when advanced nutrients claims ph perfect and then I swings hard like that I always think I must have ratios wrong 

 
Posted : June 7, 2020 6:25 pm
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So by striving to achieve a static res I should completely ignore the instructions on the advanced nutes labels   0.7 Ec seems to be that number right now  that's like 30 mls  each A and B and 20 mls cal mag in a 50 litre res   leaving very little room in the Ec for big bud     Am I doing this right?   We use RO water 60 ppm

 
Posted : June 7, 2020 6:51 pm
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Macky
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yer advanced say like 4ml per litre right? i never went over 1.5ml per litre with it, but the EC i ran on was always pretty high, 1.8 during flower with big bud. The pH perfect stuff is ok, but needs to be used at full dose to really work, and at them levels it over feeding the plant


"Keep away from people who try to belittle your ambitions. Small people always do that, but the really great make you feel that you, too, can become great.”
― Mark Twain

 
Posted : June 7, 2020 7:38 pm
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@macky  yes 4ml per litre they recommend    I am running less than 1ml/ lt  and Ec is static  so that's like 25% of their minimum recommended  rate    the rate they suggest for seedlings   so  I mix in big bud and cal mag at 25% of their minimum recommended rate hoping I am keeping the ratios right ?

 
Posted : June 7, 2020 7:53 pm
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Macky
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Depend son the stage of growth mate, put a pic up for me Smile


"Keep away from people who try to belittle your ambitions. Small people always do that, but the really great make you feel that you, too, can become great.”
― Mark Twain

 
Posted : June 7, 2020 7:57 pm
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They are 5th week of flower and 4 ft tall   in dark right now   I posted photo few days ago trying to identify mag deficiency

15910517109381037713377

 

 
Posted : June 7, 2020 8:24 pm
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So, you're using Sensi Bloom a n b, with big bud now right?

I would be using about 1.5ml of a n b, and 2ml at least of the big bud per litre, Ec will be around 1.4

 


"Keep away from people who try to belittle your ambitions. Small people always do that, but the really great make you feel that you, too, can become great.”
― Mark Twain

 
Posted : June 7, 2020 8:59 pm
BubbleHok, twisted1, BubbleHok and 3 people reacted
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@macky   conniseur and big bud powder   I feel like I'm underfeeding when I mix but the Ec stays static so I thought it must be right

 
Posted : June 7, 2020 9:03 pm
BubbleHok, twisted1, Macky and 6 people reacted
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