STIRSTARTER FOR 1000 TO 2000MM FLASKS
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Item #: R40
Our Price: $44.99
 
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In Stock, Will Ship On 08/22/2014.
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Description 

This basic stir plate will dramatically increase the rate of yeast growth in your yeast starter flask. Just put the included magnetic stir bar into the flask, and place it on the plate. Spinning magnets in the plate cause the stir bar to rotate, agitating the yeast starter.

This unit has a 12 volt stir motor, which is controlled by a precision voltage regulator for easy speed adjustment. The RPMs of the drive motor are limited, so the motor will not “throw” the stir bar (unless you turn it up too high or move the starter once it has started), yet it provides enough to get a good vortex going. A low voltage, plug-in wall transformer provides power to the unit. The black plastic case dimensions are 6" x 4" x 2", large enough to accommodate a 2000ml flask (1000ml flask shown above). A Teflon coated 1"stir bar is included (longer bars are not recommended). A “keeper” magnet is also supplied to lock the stir bar in place while the yeast is pitched, so the stir bar won’t end up in your fermenter.

Unlike much more expensive laboratory units, this model is not designed to be used with corrosive chemicals, in wet areas, or with hot items, but it works just fine with yeast.

Reviews

Average Rating: (based on 38 reviews)

Showing 1 - 5 of 38 Reviews:

by Thomas
on 5/25/2014
Excellent stir plate
Even though the description says for use up to 2000 mL, I have been using this bad boy to make 2L starters in a 5000 mL flask without issue.  I start the motor as low as possible and bump the speed up until I find the sweet spot and the bar never gets thrown. It will develop a smallish vortex, but not a dramatic vortex like you see in the pictures.  I've always pitched a great starter doing it this way. I don't often use more than 2L of starter so I can't report on how effective this plate would work in that situation, but then again there are larger plates available too. 
by Denise
on 1/29/2014
Great addition to brew equipment
We usually add extra malt, so creating a little heavier beer - this gets the yeast jump started, and we get better fermentation (probably higher alcohol content)and good flavor.  So glad we bought this kit (along with the yeast starter kit Q27)
by brewella deville
on 1/26/2014
Perfect
Easy to use, works great, unbeatable price. No more excuses for skipping the starter!
by Kevin
on 10/20/2013
great buy
I couldnt beat the price on this anywhere.  Once I figured out that you'll want to set your flask on the stir plate before starting it, things went as advertised & better. I run mine continuously for 12 plus hours before I pitch the yeast. Huge difference in the yeast lag time when you grow yeast & incorporate a srir plate. The magnet that comes with this unit to help center the stir bar is powerful enough to use to hold the stir bar in the flask when pitching the yeast.
by fausto
on 7/30/2013
Reliable Equipment
Bought this stir plate a few months ago, I have been using it consistently with no issues, it is built solid and works as described. The only recommendation is th add a more durable sticker to identify where to place the bar on top of the plate, the sticker was paper and got worn out after a few uses. Other than that I am very happy with this equipment, it's light and easy to store.
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