The Ultimate Growing Competition

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J.James

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How often to you recalibrate with that pen jw
When I first got it, Every week. Then between grows it sat for 3 months or so and the storage liquid I keep in the cap dried up. Tested it and it was still right on point, So I thought I would let it go until it was reading off, then calibrate it. That was 3 years ago. Lets for shits and grins test it today and see if it is off.
 

Mysturis420

Well-Known Member
When I first got it, Every week. Then between grows it sat for 3 months or so and the storage liquid I keep in the cap dried up. Tested it and it was still right on point, So I thought I would let it go until it was reading off, then calibrate it. That was 3 years ago. Lets for shits and grins test it today and see if it is off.
awesome I think I know my next purchase
 

homebrewer

Well-Known Member
Just take a few minutes and watch the 2 videos, It might open up a new line of thought for ya.

Edit: Wrong water PH isn't a huge deal in a soil grow, But its a hard statement to believe for most growers. With that said, When you replace your PH pen buy an "Oakton Eco Tester PH2". Yes, they are expensive but it will last you a lifetime. Best PH pen on the market IMO
I had one of those for a bit until it wouldn't calibrate any longer. Wound up buying a BlueLab that also stopped working at some point. Finally I bought a Hanna (https://hannainst.com/hi98128-phep-ph-tester.html?gclid=CIjX8ouK2OICFYO6wAodb44AkQ) with a replaceable probe. It's been 8 years now I think? Works great. Needs a new probe every few years or so.
 

H.A.F.

Well-Known Member
Just take a few minutes and watch the 2 videos, It might open up a new line of thought for ya.

Edit: Wrong water PH isn't a huge deal in a soil grow, But its a hard statement to believe for most growers. With that said, When you replace your PH pen buy an "Oakton Eco Tester PH2". Yes, they are expensive but it will last you a lifetime. Best PH pen on the market IMO
https://www.rollitup.org/t/h-a-f-growing-stink-flowers-in-dirt-with-qbs.986443/page-24
From a few weeks ago - I was already well into that. and in a different post mentioned using up the other nutes trying to match the Dyna-Gro ratios.

Never got a response from @Big Perm on the question if you know anything about dyna-gro nutes.
 

Way2-High

Well-Known Member
But seriously I’m just giving her this mix of crap I got for free from my friend, I never get my water over 500ppm and I do my own figuring out what mix of them to get the NPK I want to give at certain stages of growth. 488AA4A5-4843-430E-89DD-3338533BE0FF.png
 

H.A.F.

Well-Known Member
Looks like you have some rusty leaves starting on this plant also. When I was using fox farm lineup and having issues with overfeeding there was a line of thought that really helped me out. A plant will only uptake what it can use to aid in Photosynthesis. Nutrient companies base their recommended dose based on a 1000 watt or greater light source (watts from the wall). So if you are using a 250 watt LED (watts from the wall) you should only feed 1/4th the recommended dose. Furthermore, You should divide that dose by how many times you water in a week. I see your tag on some pots say "Feed, Feed, Water." That would make each feeding 1/8th the recommended strength.

Give these video a watch, Some good info.
Maybe you can explain it, but at about the 9 minute mark his math goes sideways on me. How do you go from 5-15ml / week to 1ml / week? It does not extrapolate to that unless he is just explaining it wrong.

He actually says they recommend 450ppm/week, so we'll feed 90ppm. With no real explanation why.

Anyway, if you looked at the post I linked, I was already going down that road figuring stuff out on my own. It will be better directed now, but I'll keep playing with the data I have on hand.
 
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H.A.F.

Well-Known Member
I think the specific ratio of N to P to K (aside from the other goodies in the different bottles) was what I was concentrating on. I do know that if you put exactly what is on any of the feed charts in a gallon of water, you will get the ppm that is recommended on their chart - unless you have some strong tap water. So I was leaning away from ppm for those ratios - just because 500ppm of Flower Power and 500ppm of Fat Buds will have different ratios of NPK even at the same ppm. I did watch the vids, and will use it to guide my own experiments - especially the charting part during the grow stages.

As far as ppm goes, I was planning on about half of what is recommended. I like his method of reducing everything down to what 1ml contains for the starting math.
 

Madriffer

Well-Known Member
Comments like that are what have me deciding between different nute's LOL
I have been using it for a year now.
The new formula is a little hotter. As in the first formula didn't burn my place ts at 3x the recommended levels. Now they will.
But, and it's a big butt,(thanks sir mix a lot. I like it too), its buffers ph. I me er ph my rez. I check, but the plants are always..well ready to oarty.
 

H.A.F.

Well-Known Member
I have been using it for a year now.
The new formula is a little hotter. As in the first formula didn't burn my place ts at 3x the recommended levels. Now they will.
But, and it's a big butt,(thanks sir mix a lot. I like it too), its buffers ph. I me er ph my rez. I check, but the plants are always..well ready to oarty.
I'm actually happy with the Dyna-gro, just for the fact that it produced the loudest flowers. But even as bad as the 2 Fox Farms plant got, they'll still be heftier. So there's a happy medium in there somewhere (and I hope she's HOT!) ;)
 

Madriffer

Well-Known Member
I'm actually happy with the Dyna-gro, just for the fact that it produced the loudest flowers. But even as bad as the 2 Fox Farms plant got, they'll still be heftier. So there's a happy medium in there somewhere (and I hope she's HOT!) ;)
I feel ya, but I am a stoner who works too hard to pay the Bill's. So, MC being a single nute that ph buffers itself, that's like a beer glass that never empties. M
 

H.A.F.

Well-Known Member
I feel ya, but I am a stoner who works too hard to pay the Bill's. So, MC being a single nute that ph buffers itself, that's like a beer glass that never empties. M
We'll have to see if I end up with one of the Dyna-gro nute sets on here ;) Free beer is good beer.
 
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