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Yes a +5 psi is the way to go. The air stone Blichmann is using is a larger micron stone something between 5 and 10. While the one readily available for this build is 2 micron so as a result you need more psi to overcome the stones resistance.

Yes, his pump is very similar to mine, there should be an adjustment screw on the head of this pump.

I would say your liquid lines should be 3/8 or 5/16 which are within 1/8 of each other. As for line length, I'm in the shorter line camp and here is why: Longer line will allow the liquid to be exposed to the ambient temperature of the room, raising the temp of the fluid which is already...

Thinking about that... You might have a tough time getting the lid to latch, it might have to just sit on top.

I would purchase an extra corny keg lid drill two holes in the top and run a copper emersion coil through it. Attach an HLT tank and chugger pump. You would want to open the pressure valve and you could even run a temp prob. in through the lid as well.

I still need to cut down the plate its attached to and install a hook to hang it but it works great!

I wanted to post a picture of my build from last night.

Update the Diaphragm Seals And Housing are is made from Santoprene EDPM, Vition, polypropylene, and Nylon. All of these materials are food safe for the type of application we would use it for, assuming you stay within the Temp ranges of the pump of course. My main concern was I would prefer...

Thanks for the Article but it dose not explain the difference if any between "potable" plastic and "Food Safe" On can assume from the names that they both are ok for drinking water but the material sheet dose not state the type of plastic used for the Diaphragm on this pump.

I am currently doing a DIY of this QuickCarb, I noticed a lot of others using a pump found on Ebay that states it is "Food Grade". Isn't this the same as a Potable water pump? I haven't been able to get a straight answer on this. Here is a pump I found on Amazon that is close to the same rating...

How did this turn out?

Have you tried to turn both fans around and have them be the exhaust? Like you would with a PC, the lower port in the back would bring in cooler air that would be pulled across your compressor and then exhausted out from a higher position. Air likes to rise as it heats up so the thermal dynamics...

I let the cider come up to room temp and the PH adjusted back down to 3.6. Apparently the temp can affect the PH reading based on the thickness of the testers glass probe. so I then warmed it and tested again and it drop a tiny amount 0.1 only. Isn't science awesome!! Anyways Ill be transferring...

I attempted to find an answer to this question but have not been successful online. So I am turning to you guys for help! My primary fermentation is complete and I tested my PH level with my PH tester and it went from a starting PH of 3.6 to now 3.9. Has anyone else experienced this and is...