Brewing gear in a water bath will result in cloudy gear if any water vapour gets in. Better off heating the beaker on a hot plate.
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Water bath is, putting your solution into a beaker or media bottle, then adding some water to a pan and putting media bottle into pan with water and heating on stove. As far as serializing unsealed vials, a pressure cooker is really good for that. You can pick one up at walmart for about 40bucks. And you have to use distilled water, tap water will leave mineral deposits on and in your vials. Put vials into pressure cooker and stoppers and media bottle that will be used for filtration, once pressure cooker starts steaming, let it go for about 25 min. After you remove vials from pressure cooker, place on cookie sheet in oven at 250 degrees. To high of heat will discolor the vials. At this point the vials are sterile, the oven is just helping dry them out. Heat them in oven till dry and ready to use once cool. Place stoppers on clean paper towel to let dry. You can spray your crimp tops with rubbing alcohol to sterilize them.
Is there any other way without using a pressure cooker I'll be honest with you I really don't like using them they scare me I had a good friend who was using one and the top blew off and he damn near lost his face.. I thought I read that you could just wash the bottles and isopropyl alcohol let them dry on a paper towel and then put them in the oven at 350 for 20 minutes would that work? If not do you have any other suggestions besides the pressure cooker? I appreciate the advice to brother just so you know..
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why you just dont buy already sterile vial an inject your finish product direct in it
Some serious knowledge being dropped in this thread rmewrench you should make a brewing for dummies thread