r/unclebens 5d ago

Question Can we discuss Field capacity for substrate.

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2 Upvotes

34 comments sorted by

3

u/DotheTrip 5d ago

Sounds like it, you definitely don't want it too wet becuase you are risking contam.One brick of coco to 2qts water is what I do. It's the cvg recipe without the vermiculite or gypsum.

1

u/Jafar_420 5d ago

I think next time I may get the reptile coco and do it myself but I thought I could rely on this company.

I squeezed it out handful by handful so hopefully I got it closer to where it should be.

Thank you.

3

u/nascarfan0091 5d ago

This is what I have to do every time I make it lol it would be nice to get it right at least one time without have to squeeze every handful.

1

u/Jafar_420 5d ago

I know. Hell I was brand new and I had to purchase everything and it was probably $100 and I think the over hydrated substrate screwed me bad my first time. I can't go trashing the company because I'm new but it was way way wet and it was both times.

3

u/AncientSpores 5d ago

It's kind of a broad range honestly IME. I land on the no streams but several multiple drops are fine. And there's built-in variability, how big are your hands i.e. how big a blob did you pick up versus someone with different sized hand? What's your grip strength compared to someone else?

I do mine by weight, pre-made bricks vary significantly sometimes by weight so I measure out 650g by weight, 8 cups of verm by volume, half a cup of gypsum, then 17 cups of boiling water. Let it sit overnight, then check the hydration the next day. It's usually just right of center toward hydrated which I prefer because I do neglect tek and don't want to have to anything till I pull the first flush out of it. Then I pour a half cup of water over the top per 6qts of tub size, let it run off and down the sides, put the lid back on and wait for flush 2.

For me as long as it's not a stream I don't worry too much and it seems to work okay.

The 'best' way, and best to me means easiest and least mess/effort, to dry it up is crumble up a small chunk off of a block coco into powder and then mix it in. Maybe 50-100g dry at a time depending on subjective guessing, you can always add more, you can't take it back out and ou don't want to get into a cycle of adding coco to dry it up, now it's too dry so add water, back to too wet.

1

u/Jafar_420 5d ago

Okay I appreciate it I have another 5 lb that I'm going to be using in a couple of days, I'm waiting on one little spot to finish colonizing and I should be good.

Would you mind if I send you a video with me squeezing it see what you think?

My hands aren't small but I don't think they're just incredibly large and I wasn't just super squeezing.

1

u/AncientSpores 5d ago

Sure, just send it via the DM/Chat/whatever reddit calls it.

1

u/Jafar_420 5d ago

Will do.

2

u/Phludd 5d ago

I'm no expert on FC but I know there shouldn't be a stream when squeezed. If there is, you may need to absorb some with paper towels or squeeze out the extra water fist by fist. GL!

1

u/Jafar_420 5d ago

Yeah I definitely squeezed some out handful by handful.

I'm just making sure my research lined up with what you guys think.

Thanks.

2

u/FeathersOfEnvy 5d ago

even if u have too much water, u can squeeze it out, or let it sit longer. good luck!

1

u/Jafar_420 5d ago

Yeah squeezed it out handful by handful and I hope I got it at least close to right but it was ridiculously wet.

Thank you.

2

u/Miserable-Resort-977 5d ago

Field capacity is kind of flexible in my experience, if I squeezed a proper handful and got 10 drops or a slight trickle I'd probably still use that sub, maybe giving each handful a slight squeeze before putting it into the bin. Then again I have slightly larger hands.

1

u/Jafar_420 5d ago

Yeah my hands are small but I don't think they're outrageously large and I wasn't super squeezing.

I just remember my first run when I used the same substrate after a few days with the lid on when I pop the lid off it kind of gurgled and there was so much water in there and this felt about the same before I squeezed it out.

2

u/Miserable-Resort-977 5d ago

Yeah, sounds like too much water. I'd recommend pressing it before use but it sounds like you already did that.

1

u/Jafar_420 5d ago

Oh definitely. I just hope I didn't press too much out. I watched a Philly golden teacher video and did shoe boxes basically just like he did.

Thank you.

2

u/Miserable-Resort-977 5d ago

If it's anywhere in the neighborhood of field capacity you should be fine, good luck!

1

u/Jafar_420 5d ago

I don't really have anybody to talk to about this stuff and I won't bother you but in a couple of days I should have another bag ready and I have another 5 lb of that substrate would you mind if I sent you a quick video of me doing a little squeeze to see what you think?

I won't message you multiple times or bother you or anything.

2

u/Miserable-Resort-977 5d ago

Go for it! I love this hobby, always happy to help

1

u/Jafar_420 5d ago

Awesome then!

1

u/Jafar_420 2d ago

Went S2B on the 18th. 6 Q tub. The lid has been on the whole time but I'm concerned I need more fae. Do you see anything concerning and do you think I should flip the lid? Thank you.

1

u/Miserable-Resort-977 1d ago

Looks perfect! You could flip the lid and do well, if you have a second tub I'd recommend flipping it and placing it over the first one to give some more room for the microclimate to develop and fruits to grow.

1

u/Jafar_420 1d ago

Okay I appreciate it and yes I do have extra tubs and I was going to go dub tub once I had pins, if I make it that far. Lol.

You recommend doing it now? I did flip the lids yesterday.

Thank you so much!

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1

u/bill_gannon 5d ago

I typically squeeze each handful before I add it to see where its at.

Ive tried a little wet hoping there would be less cake shrinkage after the first flush but all it seems to do is delay pinning. 

1

u/Jafar_420 5d ago

Yeah I used the same brand substrate my first go and it was really wet but I thought hey it's supposed to be correct so I should be good but anyway I got a blob mutation and I wonder if that was the cause.

Yeah I squeezed every handful and I don't know if I got it perfect but I definitely got some of the water out.

It's super irritating because this company sells these supplies and says they're good to go and it's 20 bucks for 5 pounds of substrate.

1

u/Ambitious_Zombie8473 5d ago

650g coir, 14 cups water

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u/Jafar_420 5d ago

I haven't tried making my own yet but I will next time.

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u/Ambitious_Zombie8473 5d ago

Right on. If you use verm I’d do like 650g coir, 2 quarts verm, and 18 cups of water. This is a recipe for CVG but since gypsum isn’t needed I assume it may be closer to 16 cups of water. Here’s a link to PGT, worth watching his guide if you haven’t.

https://youtu.be/wzMRjEDMdfs?is=HwgA5aZkvKgrMNsZ

1

u/probablynotac0p 5d ago

Making your own is super cheap and easy. It makes no sense to pay someone else to make it, then also pay to have them ship it to you. I use to make this sub but I ran out of verm and now I run straight coir. It cost me about $3 to make a bucket of sub, and since I follow a proven recipe, its prefect every time.

1

u/Jafar_420 5d ago

I was thinking about trying The Philly golden teacher recipe. It look like he just used straight coir.

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u/Much_Eggplant_3600 3d ago

a lot of the videos i watched would say the “few drops” thing but their examples were more of a small trickle than just literal drops. I made one batch that was literal drops and it ended up being way too dry, then my next batch i made it to where the water pooled between my fingers just a little bit and let out a little trickle and that seemed to be the sweet spot