Reddit mentions: The best labware caps

We found 9 Reddit comments discussing the best labware caps. We ran sentiment analysis on each of these comments to determine how redditors feel about different products. We found 4 products and ranked them based on the amount of positive reactions they received. Here are the top 20.

🎓 Reddit experts on labware caps

The comments and opinions expressed on this page are written exclusively by redditors. To provide you with the most relevant data, we sourced opinions from the most knowledgeable Reddit users based the total number of upvotes and downvotes received across comments on subreddits where labware caps are discussed. For your reference and for the sake of transparency, here are the specialists whose opinions mattered the most in our ranking.
jtfarabee
Total score: 12
Number of comments: 2
Relevant subreddits: 1
Reinheitsgebo
Total score: 6
Number of comments: 2
Relevant subreddits: 1
csheets88
Total score: 4
Number of comments: 1
Relevant subreddits: 1
buckydean
Total score: 3
Number of comments: 1
Relevant subreddits: 1
tedgerto
Total score: 2
Number of comments: 2
Relevant subreddits: 1
Davec433
Total score: 1
Number of comments: 1
Relevant subreddits: 1
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Top Reddit comments about Labware Caps:

u/Reinheitsgebot43 · 2 pointsr/Homebrewing

I’ve been freezing yeast for a couple years. The process in that link is a lot more complicated then it needs to be.

I use a variation of this process.

  1. Build a 2L starter like normal.
  2. Once Fermentation is complete cold crash and decant.
  3. Fill 3/4 of a preform, lightly screw on the cap and place in the fridge.
  4. Revisit the next day and decant till you have 1/2 filled with compacted yeast.
  5. Top off with 1/2 Beer, 1/2 food grade glycerin.
  6. Screw on lid, label, shake and place in freezer.

    Tips
    You’ll want to be as sanitary as possible.
    I can reliably fill 4 soda preforms.
    I’d recommend one have a different color cap to let you know you’re almost out of that particular yeast strain.
    I keep the beer/glycerin mixture in a mason jar and bring it to a boil from time to time since you won’t use as much of it as you’d expect.
    Save used preforms to re-use.
    Only do this for yeast you’ll use or have a hard time getting ahold of. You’re not saving money by saving yeast you’ll never use.
    If I plan on reusing yeast within 6 months I’ll wash the yeast and place in a mason jar.
    In my experience it takes the yeast a day or two longer to wake up once pitched into a starter. Make sure you build that time into your brew schedule.
u/jtfarabee · 6 pointsr/Homebrewing

Those bottles are called a Boston Round. Not sure if there's a better source for the caps, but Amazon has them for $0.39/each (if you buy 12 dozen of them.)

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https://www.amazon.com/Wheaton-239259-Phenolic-Poly-Seal-28-400/dp/B003FSU30Q/ref=sr_1_10?ie=UTF8&qid=1541540394&sr=8-10&keywords=boston+round+caps

u/tedgerto · 1 pointr/trees

safe as it was new. just a protip, you can pickup a 'cork' that fits the 14mm joint size easily, to avoid needing rubberbands etc...

​

https://420life.com/product/glass-stopper/

https://www.amazon.com/Lab-Glass-Stopper-24-5PCS/dp/B01M9BU6Y3

u/Davec433 · 1 pointr/Homebrewing

Like u/fuckernaut said soda preforms. You can reuse the preform and buy replacement caps. I’ve also though about using 4 oz mason jars since everything is reusable.

u/csheets88 · 4 pointsr/ScotchSwap

https://www.amazon.com/dp/B00TR1QYJO

u/buckydean · 3 pointsr/ScotchSwap

That is exactly how I wash all my boston rounds. I want everything that comes my way to get a thorough washing, and I know a lot of people here are weird about soap. I fill up a big pot with water, with the boston rounds standing up inside, then put it on the stove and let it boil. Like u/FlavSec says, I just turn it off when it gets violent and they start clinking.

While those are boiling I let the caps all soak in hot water, and maybe switch out the water a few times to keep it hot. I find the caps are the ones that still retain a faint peat smell sometimes, so I will either only reuse those for peated Scotch, or if it's bad enough I have a bag of caps and would just replace it. I think the bag of caps is good to have anyway, to replace a broken one or those shitty flat gasket ones.

https://www.amazon.com/gp/product/B00TR1QYJO/ref=oh_aui_detailpage_o05_s00?ie=UTF8&psc=1