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Hey now! I just bought some biofine clear from Northern Brewer. It comes in a small glass bottle with an eye dropper for dosing. I immediately noticed that the product itself has a sandy sludgy consistency, and is separated from the liquid, which I'm assuming is water. Northern brewer...

You'll need one of these (LM317T) http://www.radioshack.com/product/index.jsp?productId=2062601 And a 5k potentiometer: http://www.radioshack.com/product/index.jsp?productId=2102789&filterName=Type&filterValue=Potentiometers When I built mine, I didn't use the LM317T voltage reg, and only...

Have you ever considered a refractometer? After my fourth hydrometer broke I picked one up for 23 bucks. You need to run a small conversion when you want to check fermented wort, but they're solid, and they won't fall over and break when you need them most.

I just went through this myself last weekend. Main issue you'll have is finding the model #s that people recommend. Most models are only around for a year or so. What I just did was to measure the dimensions of my better bottles and go to the various appliance stores and measured the...