Deluxe Yeast Starter Kit - 2000 mL

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Item: Y330
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Regular price $80.50
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Quick Overview

  • The Deluxe Yeast Starter Kit will have you making top shelf yeast starters right out of the box.
  • Yeast starters offer higher cell counts at the time the yeast is pitched, leading to faster, healthier fermentations and better tasting beer!
  • Any beer will benefit from a yeast starter, but they're especially recommended for high gravity beers and cold fermenting lagers.

Kit Includes:

  • 2000 mL Erlenmeyer flask (student grade)
  • Magnetic Stir Plate
  • Foam Stopper
  • 1/2 lb Dried Malt Extract
  • 1 oz Fermaid K yeast nutrient
  • 1 oz FermCap S foam control
  • Flask Marker wax pencil

Product Overview


The Deluxe Yeast Starter Kit will have you making top shelf yeast starters right out of the box. Yeast starters offer higher cell counts at the time the yeast is pitched, leading to faster, healthier fermentations and better tasting beer! Any beer will benefit from a yeast starter, but they're especially recommended for high gravity beers and cold fermenting lagers.

This kit includes step-by-step instructions for making a 2L starter, as well as some fantastic upgrades that set it apart from our standard Y320 starter kit. Once you've prepared the starter, sanitize and drop in the stir bar, install the foam stopper, and place the flask on the magnetic stir plate. Turn the dial up until a shallow vortex forms.

Magnetic Stir Plate
A stir plate will greatly improve the quality of your yeast starter by providing continuous aeration. Yeast need oxygen to produce sterols and multiply. When all the available oxygen is used up the yeast will stop reproducing. Using a stir plate will ensure that your yeast have all the oxygen they could ever want and they'll be able to reproduce as much as possible.

Foam Stopper
Many yeast starter kits include a rubber stopper and airlock, but we believe a foam stopper is the clear choice. The foam stopper will allow air to flow freely into your flask while keeping pesky bugs and other contaminants out. Simply spray or dunk the stopper in sanitizer before installing it. If you're going to store the starter for a couple days after its finished, remove the foam stopper and cover the flask with sanitized aluminum foil.

FermCap S
FermCap S is commonly used during the boil or during fermentation to reduce foaming. This can be a helpful tool when preparing a yeast starter as well since you're essentially brewing and fermenting a mini batch of beer. Use one drop when boiling the malt extract to help prevent boil overs. An Erlenmeyer flask is a relatively small vessel and extremely active yeast are likely to produce enough krausen to reach the top of the flask and spill out onto your counter. One drop of FermCap will help prevent this from happening.

Flask Marker
This wax pencil is used for writing on glass surfaces and washes off easily. Great for labeling and writing notes on your yeast starter.

Kit Includes:

  • 2000 mL Erlenmeyer flask (student grade)
  • Magnetic Stir Plate
  • Foam Stopper
  • 1/2 lb Dried Malt Extract
  • 1 oz Fermaid K yeast nutrient
  • 1 oz FermCap S foam control
  • Flask Marker wax pencil


In the lab world, these flasks are known as "Student Grade". A great flask for making yeast starters! (Student grade is not the highest grade flasks and will have minor defects)

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