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Thread: Ec in & ec out

  1. #1

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    Default Ec in & ec out

    As per title im noticing a HUGE spike in EC when it runs out the bottom of the pot, the feed in is PH 6.5 and EC 0.6 with PH out 5.5 and EC 3.5-5.5, now the plants look an seems healthy enough and so far have no bad signs, I'm just very curious to why this happens if anyone could enlighten me.

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  3. #2

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    Your feed is building up in the pot & will cause you issues sooner or later..... or, you are feeding her more than she is eating....

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    Likely due to a build up of salts or nutrients in the medium. As u pour even water into it, the concentration in the medium is so high that it makes it come out at a high ec. Give her a good flush, 3x your pot sit with phed water. Then give her a light feeding and adjust from there. Now this assumes ur in coco which I hope is the case. Same for soil, expect don’t ph.


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    Quote Originally Posted by M_C View Post
    Your feed is building up in the pot & will cause you issues sooner or later..... or, you are feeding her more than she is eating....
    Possibly feeding more than shes eating although I see no signs of the tips burning at all.. the feed is PM oldtimers supposed to be organic and I've been led to believe you don't need run off due to it being organic.. although I still use the 20% run off rule regardless. Very strange. Will give them a quick flush this week before i get the scrog in an it becomes too hard work.

    AA

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    Oh! An organic soil grow?

    Ignore PH & EC!

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    Quote Originally Posted by Skunky n funky View Post
    Likely due to a build up of salts or nutrients in the medium. As u pour even water into it, the concentration in the medium is so high that it makes it come out at a high ec. Give her a good flush, 3x your pot sit with phed water. Then give her a light feeding and adjust from there. Now this assumes ur in coco which I hope is the case. Same for soil, expect don’t ph.


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    I'm in soil mate bio bizz light mix feeding PM old timers organic range.. They have only had 4 feeds of grow + silicon.. is it reccomened to have a feed then plain water then feed again as opposed to feed after feed?

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    Quote Originally Posted by M_C View Post
    Oh! An organic soil grow?

    Ignore PH & EC!
    Well the soil is bio bizz light mix and the nutes are PM oldtimers organic range so not fully organic but along them lines yeah

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    Quote Originally Posted by Amnesia auto View Post
    Well the soil is bio bizz light mix and the nutes are PM oldtimers organic range so not fully organic but along them lines yeah
    Soil & nutes are organic so it's organic out of a bottle rather than organic with the smell & time

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    Quote Originally Posted by M_C View Post
    Soil & nutes are organic so it's organic out of a bottle rather than organic with the smell & time
    I see.. so no need to worry about the high EC run off at all? Just last time around i flushed about 120 litres through a 20L pot and it only dropped like 1.0 lol crazy stuff

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    EC is a poor measurement for organic as it is salt based yet organic nutes aren't salt based...

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    Quote Originally Posted by M_C View Post
    EC is a poor measurement for organic as it is salt based yet organic nutes aren't salt based...
    I'm with you.. think that clears it up then, cheers MC

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    I've got a bit of soil left over, I might fill a small pot measure the ec of plain water then measure the ec of the run off an see if it's the soil doing it

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