what's a good seed starting mix ratio ?

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southbayLA154

Well-Known Member
so id like to make 3 diffrent seed starting mix to test out.. for cannabis seeds, clones, vegetable & herb seeds.

for the first one im thinking of a 3-1-1
peat moss, ewc and vermiculite for the first mix

2nd mix will be coco coir instead of peat moss also a 3-1-1

any one have any ratios they can suggest using the same ingredients for the 3rd mix?

4th mix id like to do a soil-less seed starting mix , so I can use chem notes, what ratio would you suggest only using peat moss or coco & vermiculite?also should I use The worm castings ? or is it not needed when using chem nutes?

for mixes 2-3 I will amend with .. or great white
dr.earth fertilizer 2-2-2 azomite
great white. fish Fert 5-1-1 1x2weks
azomite & instead drop the dr.fertilizer till planted outdoors
Alaska 5-1-1 fish Fert 1x2weeks
 
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ComfortCreator

Well-Known Member
My experience with soil is that it is hard to have too much aeration. I would bump the ratio of aeration up a lot. Too little is a big problem, too much doesn't happen but would be a small problem. (Watering more often)

Also that much peat will be acidic. Although the ewc will be nice and neutral the peat will pull down the ph a lot.
 
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southbayLA154

Well-Known Member
ComfortCreator said:
My experience with soil is that it is hard to have too much aeration. I would bump the ratio of aeration up a lot. Too little is a big problem, too much doesn't happen but would be a small problem. (Watering more often)

Also that much peat will be acidic. Although the ewc will be nice and neutral the peat will pull down the ph a lot.
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alright so I should add some lime ? how much per gallon for seed starting mix
 
PadawanWarrior

PadawanWarrior

Well-Known Member
southbayLA154 said:
so id like to make 3 diffrent seed starting mix to test out.. for cannabis seeds, clones, vegetable & herb seeds.

for the first one im thinking of a 3-1-1
peat moss, ewc and vermiculite for the first mix

2nd mix will be coco coir instead of peat moss also a 3-1-1

any one have any ratios they can suggest using the same ingredients for the 3rd mix?

4th mix id like to do a soil-less seed starting mix , so I can use chem notes, what ratio would you suggest only using peat moss or coco & vermiculite?also should I use The worm castings ? or is it not needed when using chem nutes?

for mixes 2-3 I will amend with .. or great white
dr.earth fertilizer 2-2-2 azomite
great white. fish Fert 5-1-1 1x2weks
azomite & instead drop the dr.fertilizer till planted outdoors
Alaska 5-1-1 fish Fert 1x2weeks
Click to expand...
I think you're over complicating things. Why not just get a decent soil for the organic pots and coco for the salts?

Anyways, I'd use perlite over vermiculite, but pumice or lava rock is even better. Vermiculite holds water too, so I'd be worried your soil would hold too much water.

If you want to experiment I'd just start smaller at first. And I'd probably do more like 30-30-30-10 (peat or coco-decent compost-perlite or pumice-EWC) for the organic mixes. Then plain coco for the salts. But that's me.
 
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ComfortCreator

Well-Known Member
southbayLA154 said:
alright so I should add some lime ? how much per gallon for seed starting mix
Click to expand...
No...I would balance it with a better mix ratio. Peat is acidic, ewc is neutral. 1 - 1 - 1(up to 2) is a better starting point and will be fine imo. Ewc is amazing, but incredibly dense and needs a lot of aeration. I also agree with PW that perlite, or a combo of perlite and vermiculite will be superior to just v.
 
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southbayLA154

Well-Known Member
ComfortCreator said:
No...I would balance it with a better mix ratio. Peat is acidic, ewc is neutral. 1 - 1 - 1(up to 2) is a better starting point and will be fine imo. Ewc is amazing, but incredibly dense and needs a lot of aeration. I also agree with PW that perlite, or a combo of perlite and vermiculite will be superior to just v.
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alright yeah ill give the try ill go light on the vermiculite I got some perlite I can add ill just be using this mix to start seeds only then transplant into some potting mix or outdoors
 
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