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What happened?
- Thread starter Hemp 420
- Start date
G
Guest
How cold was the water you used to flush and what was the PH?
G
Guest
Is this soil or hydro - it does matter.
If hydro then ya probably shocked em with either a major pH swing in the flush water or if you used some additive to get the job done.
If this is soil... then I'm clueless as I've never seen it from just pumping water into it.
If hydro then ya probably shocked em with either a major pH swing in the flush water or if you used some additive to get the job done.
If this is soil... then I'm clueless as I've never seen it from just pumping water into it.
G
Guest
Hey Hemp!
Got the answer for ya friend... DO NOT FLUSH!!! (NOTE:Unless harvest time)
I know, you're thinkin huh? Well if you think about what flushing does and what it is used for I think the reason will become clear.
When you run soil - even just watering can add micro nutrients to the soil such as Mg, Cal, etc. These build up over time in the soil medium. Flushing removes this buildup and clears the way so to speak for proper pH and plant health.
Now, when running hydro you can get this buildup in Rockwool type mediums and if that's all you're using (like in EbbFLow) then flushing is needed. However if you're running DWC the only buildup will be in the actual water that the roots are in. When you dump this water and replace it, you've completed a 'flush'. Even in the case of nute burn, disease, etc - your medium is water so it's not holding anything after it's changed out.
Flushing IS useful before harvest, as this removes all nutes from the rez and forces the plant to begin feeding on itself. Mind you, in this case flush = tap water only in the rez. It doesnt mean dump a gallon over the net pot/rockwool, as this wont really do much for ya.
So....problem solved!
Got the answer for ya friend... DO NOT FLUSH!!! (NOTE:Unless harvest time)
I know, you're thinkin huh? Well if you think about what flushing does and what it is used for I think the reason will become clear.
When you run soil - even just watering can add micro nutrients to the soil such as Mg, Cal, etc. These build up over time in the soil medium. Flushing removes this buildup and clears the way so to speak for proper pH and plant health.
Now, when running hydro you can get this buildup in Rockwool type mediums and if that's all you're using (like in EbbFLow) then flushing is needed. However if you're running DWC the only buildup will be in the actual water that the roots are in. When you dump this water and replace it, you've completed a 'flush'. Even in the case of nute burn, disease, etc - your medium is water so it's not holding anything after it's changed out.
Flushing IS useful before harvest, as this removes all nutes from the rez and forces the plant to begin feeding on itself. Mind you, in this case flush = tap water only in the rez. It doesnt mean dump a gallon over the net pot/rockwool, as this wont really do much for ya.
So....problem solved!
