I was actually searching for a cheap rack which can hold 50mL conical tubes containing cytology specimens, and I needed a few. The other racks I came across are too expensive just for storage.
The rack included in this package is made of sturdy/durable plastic, and each well is faintly numbered. The conical tubes are loosely inserted so you don't have to hold the rack while taking a tube out. The tubes themselves are the same quality as the ones I purchase from a name brand company, at 2 to 3 times the price. The caps are threaded, and have performed just as well as the name brand after centrifuging at 2000 RPM for 5 minutes.
I highly recommend this product if you're trying to keep costs down in your medical lab, or just need something well made for other storage purposes. They seem nice for holding things like spices or drink mixes on the go, screws, art supplies (glitter, mixing paint, etc.), and so on. Plus, it doesn't take a week to get it delivered like our vendors.
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Product Description
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| SPL 15 ml Conical Centrifuge Tubes Sterilized with PP Racks | SPL 15 ml Conical Centrifuge Tubes Sterilized in Bag | SPL 50 ml Conical Centrifuge Tubes Sterilized with PP Racks | SPL 50 ml Conical Centrifuge Tubes Sterilized in Bag | SPL 50 ml Conical Centrifuge Tube Snap Cap in Rack | SPL 15 ml Conical Centrifuge Tube Snap Cap | |
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| Customer Reviews |
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| Price | $119.99 | — | $112.43 | $122.98 | $124.59 | $102.34 |
| Racked | ✓ | ✓ | ✓ | |||
| 15 ml | ✓ | ✓ | ✓ | |||
| 50 ml | ✓ | ✓ | ✓ | |||
| Snap Cap | ✓ | ✓ | ||||
| Screw Cap | ✓ | ✓ | ✓ | ✓ |
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Large Marking AreaAllows for easy identification of sample, making with a SHARPIE or similar permanent marker. |
Printed GraduationFor 50 ml SPL Conical Tubes From 5 to 50ml Interval at 2.5 ml For 15 ml SPL Conical Tubes From 2 to 14.5 ml Interval at 0.5 ml |
Tight Sealing Screw CapOur screw cap was specially designed to avoid any leaks or drips. |
Snap CapOur Snap Cap model was specially designed to be opened and closed with just one hand. Helping with sample manipulation. |
Reviews with images
Perfect for single dosing coffee drinkers
Over the course of my coffee drinking career (which began at the ripe age of 12) I have faced a conundrum. A devil's bargain or catch 22 of the highest order:-I can only get through a single bag per month-You have to buy at least two bags online from the roaster to get free shippingI have tried different things, but the end result is I have to drink stale coffee. Which isn't wonderful. Thanks to this product that problem is now solved!Process1. Does out 17g from a bag into each tube. This requires a tareable (zeroable) scale and a small funnel. I fill, tare, then repeat until the bag is empty. I cap each tube as I go. Make sure the cap is TIGHT.2. Label filled tubes with a dry erase marker (NOT permanent). This way I know what's in each tube.3. Put rack in freezer and grind, brew, and drink at my leisure.I have noticed zero quality degradation after three months of storage, and that's the oldest coffee I've had so far. Strong bloom and fresh taste. I've read that a month in the freezer is equivalent to a day on the counter in terms of staling.Grinding frozen seems to be a little easier on the grinder and result in a slightly more even particle distribution. However it's not a big enough difference on its own to justify freezing beans, in my opinion.(Single...) single dosers rejoice!
Top reviews from the United States
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Reviewed in the United States on September 25, 2022
-I can only get through a single bag per month
-You have to buy at least two bags online from the roaster to get free shipping
I have tried different things, but the end result is I have to drink stale coffee. Which isn't wonderful. Thanks to this product that problem is now solved!
Process
1. Does out 17g from a bag into each tube. This requires a tareable (zeroable) scale and a small funnel. I fill, tare, then repeat until the bag is empty. I cap each tube as I go. Make sure the cap is TIGHT.
2. Label filled tubes with a dry erase marker (NOT permanent). This way I know what's in each tube.
3. Put rack in freezer and grind, brew, and drink at my leisure.
I have noticed zero quality degradation after three months of storage, and that's the oldest coffee I've had so far. Strong bloom and fresh taste. I've read that a month in the freezer is equivalent to a day on the counter in terms of staling.
Grinding frozen seems to be a little easier on the grinder and result in a slightly more even particle distribution. However it's not a big enough difference on its own to justify freezing beans, in my opinion.
(Single...) single dosers rejoice!
Size: 1 Rack (25 Tubes)Verified Purchase
Perfect for single dosing coffee drinkers
Reviewed in the United States on September 25, 2022
Over the course of my coffee drinking career (which began at the ripe age of 12) I have faced a conundrum. A devil's bargain or catch 22 of the highest order:Reviewed in the United States on September 25, 2022
-I can only get through a single bag per month
-You have to buy at least two bags online from the roaster to get free shipping
I have tried different things, but the end result is I have to drink stale coffee. Which isn't wonderful. Thanks to this product that problem is now solved!
Process
1. Does out 17g from a bag into each tube. This requires a tareable (zeroable) scale and a small funnel. I fill, tare, then repeat until the bag is empty. I cap each tube as I go. Make sure the cap is TIGHT.
2. Label filled tubes with a dry erase marker (NOT permanent). This way I know what's in each tube.
3. Put rack in freezer and grind, brew, and drink at my leisure.
I have noticed zero quality degradation after three months of storage, and that's the oldest coffee I've had so far. Strong bloom and fresh taste. I've read that a month in the freezer is equivalent to a day on the counter in terms of staling.
Grinding frozen seems to be a little easier on the grinder and result in a slightly more even particle distribution. However it's not a big enough difference on its own to justify freezing beans, in my opinion.
(Single...) single dosers rejoice!
Images in this review
Reviewed in the United States on September 11, 2023
Size: 1 Rack (25 Tubes)Verified Purchase
They work for what I needed them for. The tray makes pouring slants easy. I didn’t pressure cook agar in them so can’t attest to that. My procedure is to pour pressure cooled agar into them inside a still air box. They seem to be sterile enough as is.
Images in this review
