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A video tour of this rig is posted on Youtube, here: The following question from that source: Question from Seregator: Hi! Is the temperatur sensor on the mash or hot water circuit? Answer: Its on the mash circuit. The thermocouple temperature sensor for the PID controller of the RIMS tube...

RE: "a long piece of 1 1/2" galvanized steel pipe " For others reading this thread: NEVER USE " galvanized " in home brewing. (Presumably moclamd subsequenlty died of zinc poisoning?)

Exploring natural materials for brew bags: 1) “Hemp Bag Home Brew” sources Organic Hemp Bags. The proprietor, Abigail, says that, "Hemp is a unique fiber in that it gains strength when it is wet. Hemp is naturally resistant to bacteria. The weave of the hemp bags makes them the...

Following my own concerns for natural fibers, I found an Organic Hemp Bag, the Large is 21" x 23" and just fits a tall 10 Gallon kettle (specifically, a snug fit over a 10 Gal Blichmann Boilermaker (G1)). The proprietor, Abigail, says that, "Hemp is a unique fiber in that it gains strength...

Unfortunately there is little scientifically factual information available on safety topics. Some information from my research is posted on this this thread below (starting with post #12 from GeneticBrew "One benefit to 3 big stainless kettles is food grade material"). Also on this thread the...

I recently upgraded my brew rig by purchasing a 15 Gallon Blichmann BoilerMaker (G1) and then a Bayou Classic 15 gallon stainless steel basket to better handle the BIAB bag. The basket was easily modified with a Dremel tool to accommodate both the "Brewmometer" and drain tube:

I find the Bichmann Hop Blocker fills the space under the Brewmometer probe, keeping the bag from getting hung up on the probe. Pictures also shows a bag boil screen (vs. false-bottom*) from a BBQ grill. Nicely, the diameter fit the Blichmann 10 Gal (now G1) lip for their false-bottom. However...

RE:"Blichmann 10 gallon pot and hope to start doing all grain BIAB batches soon. I noticed that the thermometer sticks out in the pot. Will this be a problem puncturing the bag or should it be no problem?" I find the Bichmann Hop Blocker fills the space under the Brewmometer probe, keeping...

Blagoe, Thanks for sharing your first class brewery build. BIAB is often promoted as an introduction into full mash, incorrectly setting an expectation that BIAB is only a first step, and that the novice brewer will want to graduate to a 3 vessel rig if they become serious brewers. Rather...

RM_NM, I agree with you that these risks need to be put into context. Specific to home brewing there are a number of safety issues. Thus, it is important to have a level of awareness of these issues, and think safety first. The home brewer should have access to accurate public health safety...

The “what” is BPA, phenols, and other chemicals either purposely added to impart certain characteristics (for example flexibility so the plastic bends rather than cracks) or coproduced in the production of the bag material. Home brewing is an optional exposure. Thus, seemingly...

Glass Transition Temperature for Nylon Mash Bags

As per CGish's post above, on brew day push out any "standing water" with fresh water, and also start recirculating the boiling wort through the CFC with time to go. Also good to drain the lines: https://youtu.be/8ZwFQ6sfsb4

Apparently tea bags are now being made of plastics. This has brought the issues of plastics to a boil! An article in The Atlantic magazine (Apr 8, 2013) "Are Tea Bags Turning Us Into Plastic?', brings to the discussion of plastic tea bags information that may also be of interest to Brew In A Bag...

Great set up! But know that Blichman recommends against using the false bottom for this application of a boil screen. You might try something like this. More information at https://www.homebrewtalk.com/showthread.php?t=458429

RE: "spent plenty of $ on AG equipment. I would like to use some of my AG equipment on brew day" This rig came at it the other way, building up equipment for more control of BIAB: https://www.homebrewtalk.com/f244/biab-herms-via-outboard-rims-tube-build-458429/ The additional technology...

Then in regards to bag material there is nylon and polyester. These are graded medical grade, (while reassuring as to the stability of the material, it is seemingly equally unavailable to the home brewer), food-safe grade, and commercial. It is not clear to me that all BIAB bags are actually...

Just to follow up further the question on bag selection. For the most fastidious, there are stainless steel mesh baskets for BIAB brewing, such as the basket pictured here from a thread by "Wobdee", www.homebrewtalk.com/f11/my-one-vessel-ag-system-380656/ :

GeneticBrew, I agree with you! Thank you for pointing out the importance of using food-grade parts and also providing the toxicology links. I look forward to listening to those pod casts. Brewers should only use food-grade material and check that those materials are specifically rated for the...

RE: "you haven't eliminated the 3 vessel system" : GeneticBrew, you are indeed correct! In that a functional diagram would show three vessels worth of function. That said, taking inventory of the actual physical rig, I only count one stainless steel kettle. While this rig was...