Soil or Coco? You're also going to get different answers depending on who you ask. A lot of people find no need to pH in soil. You might be one of those lucky folks. In Coco you're definitely going to want to pH. As for bringing up your pH up, if you decide that's what you want to do, in soil you're probably best off amending with lime.

What are you growing in ? What are you watering ph in ? Base water source? Nutes? More info is better please

Sorry, I'm in coco/perlite 70/ 30
Canna Nutes
50/50 tap water and RO
ph at 5.8 when I Water.

Neuro said:

Soil or Coco? You're also going to get different answers depending on who you ask. A lot of people find no need to pH in soil. You might be one of those lucky folks. In Coco you're definitely going to want to pH. As for bringing up your pH up, if you decide that's what you want to do, in soil you're probably best off amending with lime.

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I'm in coco, thankyou, fingers crossed. I am worried about magnesium deficiency as I forgot calmag. Was thinking about giving them a Epsom salt foliar spray.
I will add calmag also in the Nutes.

I do soil, not coco so I'm going to bow out here. Unless I'm mistaken though, pH is essential in coco. Also read that coco absorbs the crap out of Mg. Again, I don't know. There's a lot of good people here who grow in coco here who will be able to steer you straight. Best of luck!

Thankyou very much.

Neuro said:

Soil or Coco? You're also going to get different answers depending on who you ask. A lot of people find no need to pH in soil. You might be one of those lucky folks. In Coco you're definitely going to want to pH. As for bringing up your pH up, if you decide that's what you want to do, in soil you're probably best off amending with lime.

Click to expand...

My tap water is 6.8 and the soil fixes it down a point or so..just have to settle out the chlorine for a day..I notice when I add Cal mag to the water (light dose at 5ml/gal)..it readjust the water..my leaves telle that the plants are fine with it..but I don't grow in coir..except for seedlings..

they look fine. quit measuring run off pH, it's a useless metric and notoriously inaccurate. if you absolutely must know what's going on in the media do a slurry test. personally, i don't give a shit what's going on in the media if the plants look healthy and my inputs are where they should be. the media is gonna do whatever tf it wants, no sense in trying to fix a problem that's not a problem.

sidetrack, your username @ShyDotty reminds me of this song

tobh said:

sidetrack, your username @ShyDotty reminds me of this song

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Haha, Cool, I like this song. Pleased to meet you mellow yellow

growboy420 said:

My tap water is 6.8 and the soil fixes it down a point or so..just have to settle out the chlorine for a day..I notice when I add Cal mag to the water (light dose at 5ml/gal)..it readjust the water..my leaves telle that the plants are fine with it..but I don't grow in coir..except for seedlings..

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It's the pH of the growing medium that matters to the plant. Everything I have seen says right around 5.7-5.8 is best pH.

@OP to raise runoff pH ~water with something higher pH. For me, if I need to raise pH of the growing medium (I measure the medium with cheap soil meter), I just use a little tap water, my tap water is 7.7-8.0. For a 1 gallon pot I add 20ml at a time about, a little goes a long way and it goes up easier than down,.

TryingToGrow said:

It's the pH of the growing medium that matters to the plant. Everything I have seen says right around 5.7-5.8 is best pH.

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what's going on the medium don't mean shit. it's inputs that matter when growing in an inert media like coco, perlite, rockwool, hydroton. the media is going to do what it wants. the inputs are what matters most, secondarily is proper fertigation techniques.

I'm gonna be a dick here. i've seen multiple posts from you pushing this media pH bullshit and it's not good advice. with proper fertigation techniques at the right pH and EC, media problems are non-existent, issues become environmental. EG light intensity, ambient temperature, leaf surface temperature, RH, and CO2 concentration, etc.

Humor me, how do you propose people measure media pH? You keep pushing this idea, and I've looked at your profile with your soil probe, but soil probes are notoriously inaccurate. How can a grower, without a doubt, measure media pH?

tobh said:

what's going on the medium don't mean shit. it's inputs that matter when growing in an inert media like coco, perlite, rockwool, hydroton. the media is going to do what it wants. the inputs are what matters most, secondarily is proper fertigation techniques.

I'm gonna be a dick here. i've seen multiple posts from you pushing this media pH bullshit and it's not good advice. with proper fertigation techniques at the right pH and EC, media problems are non-existent, issues become environmental. EG light intensity, ambient temperature, leaf surface temperature, RH, and CO2 concentration, etc.

Humor me, how do you propose people measure media pH? You keep pushing this idea, and I've looked at your profile with your soil probe, but soil probes are notoriously inaccurate. How can a grower, without a doubt, measure media pH?

Click to expand...

When I say 'pH of medium', I mean what is measurable to me or anyone else using normal measuring methods. I'm not sure if that is the disconnect?

pH of the medium means just about everything from my experience, outside of 'extreme' temps or humidity.

I have 2 digital soil probes (a blue lab and a cheap ~no name one), both work fine but I prefer the cheap one), and a cheap soil analog probe also. The cheap analog probe works better than the either of the other 2 on EVERYTHING but ~pin point accuracy, which I normally don't need.

I should do a video on how to raise medium pH.

TryingToGrow said:

When I say 'pH of medium', I mean what is measurable to me or anyone else using normal measuring methods. I'm not sure if that is the disconnect?

pH of the medium means just about everything from my experience, outside of 'extreme' temps or humidity.

I have 2 digital soil probes (a blue lab and a cheap ~no name one), both work fine but I prefer the cheap one), and a cheap soil analog probe also. The cheap analog probe works better than the either of the other 2 on EVERYTHING but ~pin point accuracy, which I normally don't need.

I should do a video on how to raise medium pH.

Click to expand...

Your experience of a handful of grows? I was you once, but I won't go gentle.

If you were so knowledgeable you'd know temperature does not affect pH.

It affects EC readings.

pH doesn't give a shit about temperature.

You're also someone growing in coco (from the pics I've seen on your profile) and yet you brew teas as your method of driving down your pH. I can only assume you're harvesting the plants you're using for your "free pH down" from around your parents back yard, and also introducing unknown numbers of pathogens to your indoor grow space without any real control over the additional compounds being introduced to your solutions. You do realize some proper pH down and pH up will cost you maybe $20 and not do that? Time is money bruh.

At least ten, maybe a dozen threads you've responded to today are all "get the media pH to 5.8, you'll be good." Almost verbatim. That's not good advice man.

MEDIA pH DON'T MEAN SHIT. SOIL PROBES ARE GARBAGE IN INERT MEDIA.

Inputs are where it's at. If one wants a real confirmation of what's going on, a slurry test is the guaranteed, proven way of validating such, depending on media. This means, it only applies to peat and coco. Perlite, Hydroton, rocks, rockwool, pillow batting, etc it's irrelevant. Soil, coco and peat are the only medias a slurry test might mean something. Regardless, it's still a garbage metric if measured in the media.

The ONLY metric to watch for IN RUNOFF ONLY is EC. Simple as that.

I'll leave this up overnight, signing off now. When I log on tomorrow, you're going on ignore because I'm done with your kind thinking you know a thing because you've a couple grows under your belt and have money saving ideas. Either do the shit right or go back and play in the dirt. A couple harvests don't mean shit and it's people like you that make these methods seem more complicated than they are. Fuckin pricks.

Peace.

TryingToGrow said:

When I say 'pH of medium', I mean what is measurable to me or anyone else using normal measuring methods. I'm not sure if that is the disconnect?

pH of the medium means just about everything from my experience, outside of 'extreme' temps or humidity.

I have 2 digital soil probes (a blue lab and a cheap ~no name one), both work fine but I prefer the cheap one), and a cheap soil analog probe also. The cheap analog probe works better than the either of the other 2 on EVERYTHING but ~pin point accuracy, which I normally don't need.

I should do a video on how to raise medium pH.

Click to expand...

That'd be cool I'd watch it. Thankyou.

Been running coco for close to 20 years for me it been like a good guitar that’s hung on the wall.
take it down play it still in tune! Some go out of wack from various reasons.
I know my water ph, I know my ph when nutes are added. That’s all I have done for almost 2 decades with coco.
I put a set amount of ph down in my water and like magic shit grows.
I also like to let the water sit at least over night to burn off what I can.
same routine for two decades. My water is 7, my nutes lower it a little. Then a few drops of ph. Down
magic 5 gallons of water of 5.8 to 6.2 like my favorite guitar always stays in tune.
I use the old ph test kits, look for the matching color!

for example I am growing original blueberry, started yellowing from below a little early. One plant
3 others fine, but could be better.
ph nope, needed more nitro, will know for next run. Plus maybe a little hot also drop temp from 82 to 79.
I have skunk/ mazar homemade seeds growing different room great not hungry, same setup.

plants were here before we were! Give them what they need and get out of the way.
coco is suppose to be easier then dirt! Well it is! If you keep it separate!

I been growing nonstop for almost 20 years with cocco.
two flower tents, one has 4 plants one has two. I have a a 2x2x 7 for veggin.
a rolling Light stand for clones. Sunroom and backyard for overflow.Small time nonstop harvesting of fresh meds. Nothing fancy just too many actual grows to count.
how much do I get, from my grows, enough until the next harvest!
my own Pharmaceutical company. And a great healing and good time Charlie friend. “Marijuana”

The law has destroyed more lives because big pharmaceutical companies are afraid of Cannabis.
this stuff has healing powers.
Its my marijuana lab, there are millions of people doing the same thing, most likely different, but
continuous harvest. That’s the trick, continuous harvesting on schedule.
my world.

tobh said:

Your experience of a handful of grows?

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At most.

tobh said:

If you were so knowledgeable you'd know temperature does not affect pH.

It affects EC readings.

pH doesn't give a shit about temperature.

Click to expand...

I don't recall making that claim and I don't care if it does or does not.

tobh said:

You're also someone growing in coco (from the pics I've seen on your profile) and yet you brew teas as your method of driving down your pH.

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~Most of my plants are in organic soil. One plant is organic coco, 7 others in the grow master are a salt grow/coco.

tobh said:

introducing unknown numbers of pathogens to your indoor grow space without any real control over the additional compounds being introduced to your solutions

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I'm using apples to make vinegar, is that what you are concerned about? Nothing will live in that.

Or is it the leaves that I am using to lower the pH of city water that is concerning? Pretty sure that won't kill me either, it's outside.

Let me know if it's something else please and thank you.

tobh said:

You do realize some proper pH down and pH up will cost you maybe $20 and not do that?

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What is 'proper pH down' even made of and where does it come from? I usually use citric acid, vit c, epsom salts and vinegar also. I'd rather make my own for quality reasons and knowing where it comes from reasons.

I don't grow for profit.

tobh said:

At least ten, maybe a dozen threads you've responded to today are all "get the media pH to 5.8, you'll be good." Almost verbatim. That's not good advice man.

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I grow and have grown many plant species, all I have to worry about is having them in the correct pH medium and they do great. Some food of course, but if pH is off, the food doesn't work. Happy roots, happy fruits and pH being good is required. Any medium I grown cannabis in or have grown in, needs ~ 5.8 pH, according to any soil meter of any kind, I have ever had. I have grown dwc, coco, soil, organic soil, peat based, tree bark, maybe more.

tobh said:

MEDIA pH DON'T MEAN SHIT. SOIL PROBES ARE GARBAGE IN INERT MEDIA.

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Every plant I have ever grown cares a lot about the medium being ~5.8pH

Not sure what you mean. How do you define inert media? All my soil probes work in every media, even tree bark.

tobh said:

Inputs are where it's at. If one wants a real confirmation of what's going on, a slurry test is the guaranteed, proven way of validating such, depending on media. This means, it only applies to peat and coco. Perlite, Hydroton, rocks, rockwool, pillow batting, etc it's irrelevant. Soil, coco and peat are the only medias a slurry test might mean something. Regardless, it's still a garbage metric if measured in the media.

Click to expand...

Inputs will effect the medium itself, some more than others.

I have done slurry test, next to runoff test, next to soil probes, next to liquid pH probe pushed into the medium, they are all the ~same. Always use 5.7 water (prefer ~0ppm), and make sure you are within a couple points and you are good.

Even Bruce Bugbee uses runoff test, for pH and e.c. and says they should be within ~0.3 pH of optimum (~5.8). From everything I have seen, that is true but I don't like to go over 6.0. For e.c. he says 1.3 and about the same within ~0.3ec

tobh said:

I'll leave this up overnight, signing off now. When I log on tomorrow, you're going on ignore because I'm done with your kind thinking you know a thing because you've a couple grows under your belt and have money saving ideas. Either do the shit right or go back and play in the dirt. A couple harvests don't mean shit and it's people like you that make these methods seem more complicated than they are. Fuckin pricks.

Click to expand...

Not even sure what you are trying to say but a lot of irrelevant stuff in your whole post about me that has nothing to do with anything, stick to the subject, unless you think it's me.

Can you show the science that says plants don't care about the pH that we measure with our medium/soil meters?

TryingToGrow said:

Every plant I have ever grown cares a lot about the medium being ~5.8pH

Click to expand...

Cannabis plant*

TryingToGrow said:

Cannabis plant*

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Is there a way I can raise the PH in the Coco? Or will it raise itself when I feed them?
I'm not sure why it dropped either, they are around 5.5 ish atm but last week they were all 6.0 ish.