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Looking to upgrade my refractometer to a digital type. Any recommendations?

thanks. I didn't ever think about using the oven.

it takes so long for my pressure cooker to get up to temp and then cool down I figured if I'm sterilizing one piece of equipment for something I'm working on, if I have room to go ahead and sterilize other pieces so they are ready to go when needed.

do you put some type of liquid in the container... like a little water in the flask for instance to assure it get's hot enough on the inside to sterilize?

question about keeping lab glassware sterile. If I put my flasks and beakers in the pressure cooker to sterilize them, is there a way to keep them sterile if I don't use them right away?

yes it all seems to work as it's supposed to. The one thing that surprised me was how hard it is to find the lines on the hemocytometer. The one I got on Amazon might have been good if I had setup the microscope properly to find the lines. I thought the brighter the better on the microscope but...

I got the microscope on Amazon: http://www.amazon.com/dp/B004UMDLAA I initially purchased the Hemocytometer on Amazon as well but returned it after I couldn't find any lines on it. I ended up getting this one on Cynmar...

I am going to make agar plates for streaking and have a question. I've seen recipe's for making agar. All of the ones I've found use DME. I'm planning on making some 2 row wort to pressure can for starters. I was going to use the same to make agar. My question is how much agar to i need to add...

just to give an update... our experiment is over... we used a microscope and hemocytometer. Here are the results after 24 hours: starting cell count per mL in each flask: 21,208,000 ending count with no stir plate: 52,924,000 ending count with a stir plate: 158,772,000 what a difference a stir...

Matthew- just curious how the solera corny keg went? I was wanting to do the same thing.

I'm planning on pitching some WLP650 split between 4 different 1 gallon fermenters. It's an experiment I'm trying. 2 of the 1 gallon jugs are a 10% Belgian Golden Strong. The other 2 are a 5% American Blonde. 1 of each I'm also adding some commercial dregs. All of these have already gone...

is that a type of extract? I'm not familiar with brewers caramel

I brewed 5 gallons of a Vanilla Caramel Ale. I've got it carbed and in a keg. I've got to serve it at a festival this coming Saturday. Today is Sunday. The problem is it has a slight vanilla flavor but no real caramel flavor. All in all it's pretty bland. I want to get more caramel. What I was...

I broke down and added 2 to my morebeer order... didn't want to spend that $3 but did :)

good idea... it's a 6th grade project so I don't believe they are asking for in depth analysis. But if I do want to go the scope way, I'm assuming the minimum I would need would be a microscope and a hemocytometer?

thanks for the info... looks like this will be an expensive science project... it may be cheaper to just pay the teacher off:)

I need some of those little plastic things that goes on a corny keg lid. My LHBS never has them and I was looking @ Lowes today and in their specialty parts, they have the little rubber caps that go on the end of a screw or small rod. Anyone else use these? There were several different sizes and...

So my son (6th grade) brought home his homework and has to do a science project. He already thought of a few things... fruit batteries and the like. I said "how about we do an experiment about growing yeast cells... maybe compare using a stir plate and straight oxygen injected into the wort?"...

I'm looking in to moving from 5 gallon AG to smaller BIAB batches. I've got a 9 gallon kettle and a Sanke Keggle already but they seem to be pretty much of an over kill to do smaller batches. I was looking at a 24 qt with a steamer basket on Amazon. Would this be good for 2.5 gallon (into the...

that's kinda what I was thinking. maybe make a 1 liter starter and divide up. I guess the real question is how to properly store for 3-4 months. I know it should be good for a month or so.