cryo cold, propane mix, fresh trim, still black. is it the machined trim?

Best choice is fairly subjective honestly. In my opinion it’s the best choice because you only need one powder and it will clean it up very well. The cost of B80 is very low too which makes it desirable.

I’d say it’s well worth it regardless of system size. I run a smaller system, only running around 100g at a time. I use a secondary 1.5"x6" spool to load my B80 into, then have a 3" hemi reducer going from 1.5 to 3", a 3" 5 micron welded sintered disc, then another 3" hemi reducer to go back down to 1.5" on my collection. I also run a combination of felt and paper filters before and after the powders and before the sintered disc.

B80 usually comes with some moisture in it, so baking it beforehand is a night and day difference in your end result. If I don’t bake mine, it comes out yellow. If I do bake it, it comes out almost clear with a faint tint of yellow. It doesn’t affect my yield either which is nice.

Running with N-butane, I generally only need around 30-50psi of N2 to push through. 50 is rare, I’m usually in the 30 range.

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good to know. thanks for that info. sounds like extra precautions to keep the b80 are a good idea.
does it make any sense to put a 3 micron filter directly on top of the sintered filter? if i recall correctly the sintered filter chamber i have has a nice clean ring around it so i can set my filter rings. my plan was to basically keep the sintered filter clean with 3 micron above it. load b80 on the 3 micron paper then put another 25 micron filter paper above the b80 with a ring to keep in place. do you think thats enough? it sounds like you have another filter below the sintered filter as well. i will need more rings, and an extra clamp i think to pull this off.

yeah if you have a smaller micron filter above the disc, it will help keep it clean much longer.

My setup is usually like this

Material column (~100g)
50 micron mesh gasket filter
5 micron felt roll (1" deep)
B80 (~40-50g)
5 micron felt roll (1" deep)
2 medium filter papers inside a small filter stack (only use 2 so my retaining rings fit tightly)
1 slow filter paper sitting right on top of the sintered disc
sintered disc

If you have any extra room in your material column you can always load the B80 in there first, then the material on top and avoid needing more clamps

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thank you guys for all the info. im grabbing a bag of b80 and will keep yall posted!
really apprecitate all the info you guys shared. i had a bad day with this black goo man. i had me down in the dumps. nice to see a light at the end of the tunnel.

Buy the b80 from ebay.

You can buy large bags for cheap

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yeah 500g will give you quite a few runs, at least enough to tell you if you want to continue using it or not.

If you want to save a few bucks, I’d get the B80 from @Killa12345. It’s way cheaper and you’ll get it much faster Pure-Flo® B80 BLEACHING AND DECOLORIZING BENTONITE CLAY – Quality Stainless Parts

this thread has a ton of R&D and will keep you busy for a few weeks Indofabs C.R.C & BHO Color Remediation Tek

your first run will turn that around completely! I was blown away by the results and now I use it every time on good material.

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you always use b80? even on hand trimmed good biomass?

that link saved me a bunch of cash. like 50%. thank you

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before i go loading up my crc with b80 and doing a run, is there anything i need to know that im missing?
can i still run the same as i always have? n tane, iso, propane cryo cold. frozen material column. n2 assist.
i understand a pressure test is imperative when using the crc from oss, and im sure just as a normal practice. if there is something im missing please let me know. thank you

whats the proper baking temp and time for b80?

Read the indofab crc thread

i have been. its like 8000+ posts lol

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You’re in the right track then bro!

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yeah I always use it now. I grow my own and extract for personal use so none of it ever leaves my hands. My runs came out good before and had medium amber color to yellows, but since using B80 it cleans my extract up to where its such a smoother dab. For that reason I won’t run without it now. Before I would have residue build up on my banger after a few days even with wiping out after each dab. Now with my B80 runs I wipe and nothing ever builds up. I’ve run 20g through the banger without cleaning it and it’s clear as it was new. I barely ever cough anymore too.

The pic in my avatar is my first diamond run, no powders used at all. This is one of my recent runs with B80. You can see the color is definitely lighter but not 100% clear. Post Your THCA Pics/Vids - #329 by clouds

Yeah, you’ll run the same as you normally do. The main thing with B80 is the contact time. You can’t just shoot through it really fast or you will see minimal results. The key to B80 is running through it slow and steady. I barely crack my main valve to let it drain. It comes through as a trickle. When I ran faster it didn’t work as well.

There are some threads on that around here, you should be able to locate them in the search. I just throw mine in the microwave for like 5 mins on high, then let it cool under vac and load into the column. Lately I haven’t even been letting it cool, just microwave it, load it into the column. I didn’t notice a difference but I’m also doing this on a pretty small scale.

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once you get to the end of that massive CRC thread, you’ll see W1 is out now and has been given a lot of thumbs up from the community here. You can run way faster than with B80, and it’s been said to be reusable to an extent, so if speed is a concern for you, I’d suggest looking into it too https://www.gochemtek.com/shop/w1

It’s not as cheap as B80 but has some benefits that B80 doesn’t provide.

All the other powders I can’t speak to as I have no experience with them.

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shits 10x the cost of b80. wouldnt make sense for me unless i was running a lot more material. good to know tho.

do you guys use a press to pack your crc???

yeah its not as cheap by far, but the fact that you can use it multiple times may make up for that. I don’t have any experience with it yet to say either way, but a lot of the top extractors on here are saying very good things about it.

Some do, I don’t personally. I just dump the powder in the column, tap it a few times with a wrench to settle it, and then use the felt filters to sandwich the powder in there. I’ll press it with the felt slightly so everything fits in the tube, but I don’t use any form of assisted pressure.

You won’t get good results if the flow channels through or around the powders. You want it to be stable in there, so how you secure things with the papers are key to it working as effectively as it can or not.

Since I use a 1.5" x 6" spool, I can fit the felt and powder in there without any extra room. I’ll use regular tri clamp mesh gaskets to keep the felt held in the spool and that works really well for me. I tried it once without the felt on top (only under the powders) and the pressure fluctuation inside the system caused some serious channeling.

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I bake 230-250°f overnight

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This just came to my mind.

Years back, the go-to known issue for a black extract was from NEEM oil that was folair sprayed in flower. This got extracted with all the cannanaboids.

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