Chem-Gro vs Jacks vs Mega Crop

Kami Samurai

Well-Known Member
About to switch to dry salts just looking for a base. I’m leaning toward jacks hydro and jacks citrus for the sulfur but if someone has better results with another product. Calcium nitrate, Epsom salt.

I’ll be making my own Hammerhead, MOAB, & Terpinator.

Also building my own Rooting compound based off my research into b1 containing auxins, homemade Kelp/ yucca extracts, IBA powder, homemade Fulvic, Humates, leonardites, & a few other products.

Running Heisenberg tea as well.
 
I had good results in my new room switching mid flower this last harvest from my left over advanced nutes to megacrop only. I had stopped a.n. and switched to botanicare kind about 10 months ago in my main room due to a.n. causing all kinds of deficiencies in my ebb and flow tables in my main room but figured I'd give them another shot so i could use up all that expensive crap... Big mistake, you can still see some leaf edge burn and chlorosis but the mega seemed to stop and slightly reverse the damage done using a.n. the room is being harvested this next week and it looks like it is going to be as good or better than botanicare kind with density and size... First pic is of mega (with lights on sorry), second pic is a current botanicare kind fed table that is around mid flower and pissing me off with chlorosis which is what made me look at mega, Jack's professional and hydroponic research. Ordered the Jack's and hydroponic research v+b and am planning to try them on the two tables i have in this room next cycle to see if i can get my numbers back up and deficiencies down.... Good luck finding what works best for your situation, looking forward to hearing how it goes
 

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Nice man but definetly, let me know what you end up choosing.
I might just end up trying them all there so cheap.
I seen this journal about megacrop and it lead me around and seen some great info:
https://www.rollitup.org/t/mega-crop-scrog-grow.950363/
I agree, 55$for a25lb bag of mega direct from company and 45$for a 25lb bag of Jack's professional from Amazon can't be beat for cost. Hydroponic v+b is a bit more expensive@ 20$lb but called and talked to them last week and the guy said they would hook me up with a discount for trying it out, going to call today again as i didn't get an email from them with the order details we spoke about... Hoping they just went ahead and sent me out some product to test since he made me an account on the phone but will see when i call today and let you know
 
Mega Crop or Jacks are good choices. I'm about to harvest my second crop with MC. Very impressed.
What ec do you end up with using mega and have you used the bud explosion for pk boost or the sweet candy with any success? I have been running about 1.3ec on the two tables below with good results so far. First pic with lights on had AN for several weeks with horrible problems but harvesting today and it looks like it will be better than my last botanicare kind table for size, density and trichome development in spite of the problems from AN. Second pic is different room that had 2 weeks of kind then switched to Mega only for past couple weeks and have not had any issue so far
 

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70's natureboy

Well-Known Member
I tried some Megacrop and it seems to work just fine. I run it at a tablespoon to 4 1/2 gal getting me around .8 EC. My Indicas with MC were the biggest with only slight tip burn. It was too hot for my finicky sativas. It is very simple and economical though.
 

ttystikk

Well-Known Member
About to switch to dry salts just looking for a base. I’m leaning toward jacks hydro and jacks citrus for the sulfur but if someone has better results with another product. Calcium nitrate, Epsom salt.

I’ll be making my own Hammerhead, MOAB, & Terpinator.

Also building my own Rooting compound based off my research into b1 containing auxins, homemade Kelp/ yucca extracts, IBA powder, homemade Fulvic, Humates, leonardites, & a few other products.

Running Heisenberg tea as well.
MOAB is nothing more than MKP. Nothing to 'make' there.
 
Here's some pics of Bud before trim and after harvested today that was switched midm flower from AN3 part to mega run at 1.3 ec. They also seemed to finish quicker on the mega (10wk)than AN or botanicare kind(11-12wk) with greater overall density and way less larf on the lower buds.
 

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NrthrnMichigan

Well-Known Member
What ec do you end up with using mega and have you used the bud explosion for pk boost or the sweet candy with any success? I have been running about 1.3ec on the two tables below with good results so far. First pic with lights on had AN for several weeks with horrible problems but harvesting today and it looks like it will be better than my last botanicare kind table for size, density and trichome development in spite of the problems from AN. Second pic is different room that had 2 weeks of kind then switched to Mega only for past couple weeks and have not had any issue so far
Right now i'm in week 7 flower and the dwc is at 2.2 ec. My coco running at 1.6 ec. I'm using MOAB along with RAWs potassium and B vitamins. I'll be tapering down the extra P&K until finished somewhere after week 10 or 11. Good stuffs using MegaCrop. Easy and affordable.
 
Right now i'm in week 7 flower and the dwc is at 2.2 ec. My coco running at 1.6 ec. I'm using MOAB along with RAWs potassium and B vitamins. I'll be tapering down the extra P&K until finished somewhere after week 10 or 11. Good stuffs using MegaCrop. Easy and affordable.
I've never run dwc, been an ebb and flow guy since starting. I thought that dwc generally ran less ec than Coco or ebb-flow?
 

fridayfishfry

Well-Known Member
I've been imitating the chem-gro formula
with

Mono-potassium phosphate
Potassium nitrate
Calcium nitrate
Magnesium sulfate
Di-ammonium phosphate

and
Iron DTPA (the kind for aquaponics)
Boric Acid
Manganese sulfate
Zinc EDTA
Copper EDTA

a 10 part formula
because I'm ridiculous

I make a micro stock with distilled water
Works good, without the micros it worked not so good
 

ttystikk

Well-Known Member
I've been imitating the chem-gro formula
with

Mono-potassium phosphate
Potassium nitrate
Calcium nitrate
Magnesium sulfate
Di-ammonium phosphate

and
Iron DTPA (the kind for aquaponics)
Boric Acid
Manganese sulfate
Zinc EDTA
Copper EDTA

a 10 part formula
because I'm ridiculous

I make a micro stock with distilled water
Works good, without the micros it worked not so good
Why bother? They sell it ready mixed for cheap!
 

fridayfishfry

Well-Known Member
Why bother? They sell it ready mixed for cheap!
I know right?
it is to use different proportions for cannabis, tomatoes, strawberries, peppers
instead of 4 big bags of something I might not use
I have 5 small and 5 tiny bags of something I use
 
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ttystikk

Well-Known Member
I know right
to use different proportions for cannabis, tomatoes, strawberries, peppers
instead of 4 big bags of something I might not use
I have 5 small and 5 tiny bags of something I use
As if Chemgro/Hydro-gardens doesn't already have all those formulations in stock right now.

Betcha didn't know they even have formulas for high temp/arid climates.

And yes, in smaller sizes too.
 

fridayfishfry

Well-Known Member
As if Chemgro/Hydro-gardens doesn't already have all those formulations in stock right now.

Betcha didn't know they even have formulas for high temp/arid climates.

And yes, in smaller sizes too.
yes, I'm familiar with their formulas.

not recommending it as if it's a better option
I do wonder, however, how they turn 8 salts into one salt
 
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ttystikk

Well-Known Member
yes, I'm familiar with their formulas.

not recommending it as if it's a better option
I do wonder, however, how they turn 8 salts into one salt
They use hydroponic ready nutrient double salts in differing proportions to make each of their mixes.

I fail to see why this is so hard to grasp.
 

NrthrnMichigan

Well-Known Member
I've never run dwc, been an ebb and flow guy since starting. I thought that dwc generally ran less ec than Coco or ebb-flow?
I started years ago with GH then House and Gardens, then Raw and now MegaCrop. The GH and HG feed charts were similar in ppm's or EC both of which I used their recirculating chart for DWC then drain to waste with coco. Coco (drain to waste) was always nearly half the ec compared to recirculating.
Mid week seven pics: Death Star (DWC) and Ghost Train Haze OG #1 (Coco)
 

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