Ph question

tybudz

tybudz

Active Member
My ph in my soil was 8.0 would like it to be 6.4-6.8 obvbiesly. would it shock my roots to add Aluminum Sulfate and bring the ph right to 6.4-6.5 ??
 
That won't work. It'll bring the PH down temporarily, but it'll jump right back up, after a couple days. There are things you can add to your soil to bring the PH down and help keep it there, but I've never had to deal with high PH, so can't say exactly what to use. Somebody will help you out, I'm sure. Just be patient. :)
 
Aluminum Sulfate -- i thought this was to bring it down permanently in the soil. the water with phd water of course...

Im almost posistive this will be a somewhat longterm fix. as to i only have 3 weeks left/ but I am more worried about the immediate ph drop shocking my root system. any one have an answer??

thanks for your response brother.
 
hey man you should feed plain ph water at like 4-5 since the soil is highier by the time it gets to the roots it will be close to the correct ph range keep checking your run off for ph after like a week it should be good
 
Sorry about that, you're probably right. It sounds like you've done some reseach, so nevermind me, I was assuming that AS was the component of PH Down, which sounds to not be the case? I'm a lime guy, 'cause my PH has never been above 7.0, thankfully.lol :)
 
what do you want to test. actual soil ph? or soil run off?? I have my plant water consuption down to a T and usually doent get much runnoff unless im doing a flush.
 
thats where i believe the Aluminum comes in. it allows it to react quicker. I believe. but will it shock to drop soil 1.3 notches down the ph line at once??

and should you be more concerned with soil ph or runoff ph??
 
Both. They should be the same, because that way, you know everything is at the same PH, uniformly throughout the soil. Ideally, the water going in, the soil, and the runoff ahould all be the same PH. That'd tell you that there's no 'hot' or 'cold' spots anywhere.
 
tybudz said:
actual soil ph? or soil run off??
Click to expand...

pH is only defined for aqueous solutions - dust dry soil does not have a pH by definition. When you measure the pH of soil you are measuring the pH of the water retained in that soil. So those are the same.
 
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