Description
Blue cap bottle 500 ml in borosilicate glass – for rehydrating yeast and sugar solution
A 500 ml laboratory bottle in 3.3 borosilicate glass with a blue cap. The glass withstands up to 140 °C, and the bottle can be sterilized. The size makes it versatile: it suits rehydrating dry yeast, sterilizing sugar solution and storing yeast slurry.
How to rehydrate dry yeast
- Sanitize the bottle and lid in boiling water.
- Boil water and let it cool to about 30 °C. Use about 10 times as much water as yeast, for example about 100 ml of water for 10 g of yeast.
- Sprinkle the yeast over the water and place the lid on loosely.
- Leave the bottle until the yeast has dissolved, then swirl it gently. Do not shake hard.
- Pitch the yeast into the fermenter.
Technical data
- Volume: 500 ml
- Material: 3.3 borosilicate glass
- Max temperature: 140 °C
- Cap: blue screw cap
Frequently asked questions about the 500 ml blue cap bottle
Do I need to rehydrate dry yeast?
It is somewhat debated, but dry yeast benefits from rehydration. Some yeasts, such as High Voltage, can be sprinkled straight onto the wort.
Can I store yeast in the bottle?
Yes. Yeast can be stored in a sanitized borosilicate bottle in the fridge. Open the lid now and then to release pressure.
Why borosilicate glass?
Borosilicate glass handles temperature changes much better than ordinary glass. That is why the bottle can be used for hot solutions and sterilized.
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