sp5der
Subscriber
Yeah people been mailing me about that , that's what we're going to avoid. no 20% variance between my HPLC and what u receive
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Which brings up how you are going to transparently manage and communicate your batch numbers for each API.
I know you know what a batch is. How are you going to keep track of them and ensure the batch number you are advertising is what the customer is receiving? Only one batch number being sold at a given time? May want to make this clearer in your pastebin.
2% difference between customer HPLC test and yours on the same batch? Maybe.
20%? No way.
sp5der
Subscriber
yeah definitely no 20% variance.
right now colored caps work, but in the future when we run out of colors I think I'll have to use colors and number stickers on the vials
also I expect everything from the two batches that will be being sold at the same time of test c 250 to be within 2% of each other, so i'll be sending either one. unless somehow batch 3 HPLC comes back crazy off
after that i'll just sell one batch at a time. just have to do it this way because i didn't get close to what I ended up needing out of batch 2
Good luck. Stay disciplined.
First source (AFAIK) to buy and openly advertise volumetric flasks in your process. Appears you have started a trend. Congratulations.
sp5der
Subscriber
more should do it, pretty cheap all things considered i see no reason no to use them
Glad you are setting goals. That is good.
They are evil and from the devil. Silly demonic glassware for nerds who don't hoist and those who wish to do harm to the status quo of the UG.more should do it, pretty cheap all things considered i see no reason no to use them
A real man uses a slightly used milk jug. Beware.
sp5der
Subscriber
nah but seriously I think anyone doing this knows or should know that beakers can be off by up to 5% or more, plus how hard it is to line up 1830 ml of oil on a beaker when measuring it, yeah you can pour to 1800 then take a 50ml beaker and fill to 30 but was your 1800 actually 1800 or was it 1860 because your beaker was off by 3%.
The only way for real precision is with individual certified volumetric flasks. I feel stupid too for making such an oversight and doing it wrong, because chemistry was one of the only classes I paid attention to in school.
Nice to see posts like this on MESO. Hope you go far. Be careful.
sp5der
Subscriber
Thank you
sp5der
Subscriber
Of course. need new raw to make the tc20, and i'm not even in the country right now. the raw is at jano, expected to test good, if not i have more that just landed
Coffezilla
Member
Unpopular opinion. Everyone is telling him to charge more, clearly he’s taken it into account. Multiple times, the guy isn’t an idiot. He’s proven that, why not appreciate the prices he’s set and enjoy it while you can. Stock up on it, like he said he’s doing it for fun. He can close up shop tomorrow.
Photon
Member
I don't think any of the brewers here use those markings. I never have. You would have seen much larger variances if they did.
It's all single use syringes and pipettes for me and a single beaker. The less reusable equipment, the less chance of contamination. Some dude had soap components turn up in his gcms lol.
sp5der
Subscriber
Well i'd be surprised to hear that there is anyone measuring out 2000+ ml's of oil with 60mL syringes, I know I didn't
Photon
Member
For larger amounts I weigh it.
Start with pipettes to see how it weighs as you dispense liquid. That allows you to know how much you need.
Then pour the oil.
Top up with pipette when close.
Probably not as accurate as a calibrated flask tho.
sp5der
Subscriber
By for fun i mean if I wanted to make money i'd be spending my time elsewhere. I think price had to be raised due to demand, I wasn't expecting 50+ orders a day but that's what happened on the first week of opening, packing and shipping safely takes time. And if that's how it's going to be I'll make it worth my time since it costs a lot of time to do this. I expect demand to only grow, especially as we expand product list. We still have fair prices, and we're taking all serious suggestions from the customers. We have had some good things come up and see very big room for improvement in this business. So that's what we're going to do. Improve and make it worth the time. Because honestly I cannot do the volume of week one and 2 at $25 a vial , it's just too much time for too little reward, at that price point.
Some have come out and stated they use grad cylinders for vol measurements. Displacement based calculators still aren't ideal.
How much oil are you measuring and dispensing at a time?
What else would you use to determine final volumes in the thousands of milliliters other than a vol flask if you wanted to get the final volume right?
Almost all of these <5L per batch brewers are finishing in a beaker.
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Respectfully, that's the cultural issue at the heart of the UG problem.
He isn't doing it for fun.
sp5der
Subscriber
Not going to close it up, my goal is to keep getting better every day, more consistent every day, and implement any and all possible improvements
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