Mega Crop

dstroy0

Zeroes and Ones
I bought big bags of the 2 part, did a res change yesterday. Added predissolved part A, filled to the water line and added predissolved part B, pH comes out to 5.7, added potassium silicate and the pH went up to 6.0, then trended down to 5.8 overnight.

This is what my bags say for measuring:
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1597409416030.png
 

DopeDaniel

Taste The Spectrum
IPM Forum Moderator
I bought big bags of the 2 part, did a res change yesterday. Added predissolved part A, filled to the water line and added predissolved part B, pH comes out to 5.7, added potassium silicate and the pH went up to 6.0, then trended down to 5.8 overnight.

This is what my bags say for measuring:
View attachment 20355

View attachment 20354
So you can drag that red line across and see historical readings on the graph?
 

Buck5050

Underground Chucker
I'm flying by the seat of my pants!
I think it'll probably bring out the best in you. Just like all the other stuff you destroy! (y)

With the sake of consistency in mind I have been running my flower tent on 2.25 g. of A and 2.25g of Part B from the start. I am in the middle of week 6. I settle in here fairly quickly and it's been good. This mix put the EC at 1.4-1.5 range. When I add in the 1g of BudExplosion to boost PKs it ends up at 1.7. No real issues through stretch and bud set beside a very light touch of brown tips on one cultivar. I seem to be doing well at the beginning of bud swell but, the past week or so I have some lightening of the fan leaves. It's not on all the cultivars so, we going to ride it out and stay consistent. I have been kicking around the idea of going back to the 2g of A and 2.5g of B and see that mix through a run. Just some food for thought based off of hands-on experiences.✌
 

DopeDaniel

Taste The Spectrum
IPM Forum Moderator

dstroy0

Zeroes and Ones
Seems like pH landed and trended lower for me did you see anything there?
Yeah definitly disolving more difficult. I will check my veg res now as access is difficult but I just added ro and pH up last night. Nevere added pH up in veg before unless I f'd up.

Yeah pH trends down pretty hard, I've only had to dose pH up. I've been checking the leachate pH to make sure it's not too low, for example if your res is set at 5.8 but the leachate is coming out at 5.0, that's what pH the roots are experiencing and you should adjust the initial up more. At least I think that's how it works. https://www.cropking.com/blog/understanding-hydroponic-leachate
 

DopeDaniel

Taste The Spectrum
IPM Forum Moderator
Yeah pH trends down pretty hard, I've only had to dose pH up. I've been checking the leachate pH to make sure it's not too low, for example if your res is set at 5.8 but the leachate is coming out at 5.0, that's what pH the roots are experiencing and you should adjust the initial up more. At least I think that's how it works. https://www.cropking.com/blog/understanding-hydroponic-leachate
Yeah in theory it works that way. I have a combo pen that can read rootzone pH and res pH I trust that more than runoff, alternatively a slurry for the soil. Since I run a f/d I havent been too keen on sticking the glass probe into the clay pebbles so I haven't.
 

dstroy0

Zeroes and Ones
Yeah in theory it works that way. I have a combo pen that can read rootzone pH and res pH I trust that more than runoff, alternatively a slurry for the soil. Since I run a f/d I havent been too keen on sticking the glass probe into the clay pebbles so I haven't.

I have the luxury of just measuring the stuff in the drip pan.
 

Phylex

GK Genetics
Staff member
Administrator
Moderator
I bought big bags of the 2 part, did a res change yesterday. Added predissolved part A, filled to the water line and added predissolved part B, pH comes out to 5.7, added potassium silicate and the pH went up to 6.0, then trended down to 5.8 overnight.

This is what my bags say for measuring:
View attachment 20355

View attachment 20354

I'm guessing this measurement is per gallon correct?

I ask because I went to use my MC V2 and it was a brick from improper storage. So I ordered the two part and it just arrived. I mixed it up yesterday, (I use 5 gallon batches) and the pH was 5.8. How much potassium silicate did you use to bring it up to 6.0? It'll help me narrow down the trial and error process of bringing mine up. Thanks in advance
 

dstroy0

Zeroes and Ones
I'm guessing this measurement is per gallon correct?

I ask because I went to use my MC V2 and it was a brick from improper storage. So I ordered the two part and it just arrived. I mixed it up yesterday, (I use 5 gallon batches) and the pH was 5.8. How much potassium silicate did you use to bring it up to 6.0? It'll help me narrow down the trial and error process of bringing mine up. Thanks in advance

Yes, per gallon,

I use dyna gro protekt 3ml/5 gallons

You're welcome!
 

Buck5050

Underground Chucker
I have been a user of MegaCrop for quite a while now. Tried every version to date. I am loving the fact that GreenLeaf has gotten away from the darker blend and now is heading towards a product that mixes clear. I definitely see a difference in the root zone.

Below you can see the tint from the later versions of MC on the perlite that I re-used and the fresh out of the bag layer toward the bottom.
IMG_20200718_104112.jpg

These two have been on the new 2-part Hydro formula their whole life. Started the bigger one about mid-June.
IMG_20200828_120809.jpg
IMG_20200828_133734.jpg

+1 for Greenleaf. One of the only companies on the market that pushes itself consistently to make a better product and keeps that product affordable while doing it. They must be trippin'...:clapping:
 
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