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I have tried searching for the answer to my question, but haven't come up with anything concrete, so I apologize in advance if this has been covered extensively already or is stickied or something. I am looking for some help with equations for calculating the expected IBU contributions from...

@jleuck64 That's awesome and reassuring to hear you are getting in the desired range for efficiencies as well. It seems pretty conclusive for now that I will continue to dry fit the manifold being sure to assemble it tightly and careful when stirring. Thanks for sharing that recipe too; it...

@turkeyshot Thanks for sharing! I like the design and I am glad to hear you get good efficiency and presumably flow from it despite lacking a center channel. Any idea what percentage mash efficiency you usually expect? You don't have clogging issues with the slits facing up? Interesting; they...

@IslandLizard I will probably use my regular stainless spoon for now then and add a more traditional mash paddle to my list of gear to purchase at some point! I have been eyeing up a thermapen too as it seems like a solid investment also, but it is so damned expensive for a thermometer. I wish...

Fair enough regarding the design! I hadn't decided if I wanted to glue or not, but if you haven't experienced any issues without, then I will probably just friction fit mine for the time being as well. I use a stainless spoon with a slight "point" as well, but no holes. I know the traditional...

I appreciate the input, guys; thank you! Thanks for sharing your own experience and builds as well. @islandlizard I am sitting here laughing as I write this because your design is one of the ones I looked at for inspiration as I contemplated my own design since we seemingly have similar/the same...

Hello HBT! As you will see in the attached photo, I am in the midst of creating a CPVC manifold for my cooler mash tun (52 qt. Coleman Xtreme). My original design was for four evenly spaced longitudinal pipes utilizing Palmer's guidelines as closely as possible (evenly spaced longitudinal pipes...

Crush is definitely a potential factor. I typically buy my grains at Northern Brewer and they don't want people messing with their mill so it is always set at the same gap AFAIK. I have read from many places that I could grind much finer than "normal" since the grain bag is going to catch any...

I have a quick question (well not so quick as it turns out) that I'd like some feedback on from the community. I've been using a 28 qt, rectangular Igloo cooler with a bulkhead for my mash tun for a few AG 5-gallon, batch sparge brews. Rather than use a traditional manifold or false bottom, I've...

I am definitely going to do that in the near future when I get some time. The somewhat frustrating part is that I will be "guessing" the alkalinity mEq/L value using the average value from the water report, but it probably won't make too big of a difference in most cases (hopefully). Now I just...

I just got a chance here tonight to sit down and run the numbers myself to see how it went. I did get the .0398097 exactly for step 1 (bringing my alkalinity down to 1.96019), but for step 2 I got 0.0068389 using 14.165 in both instances where 14 was used, did you maybe use 14 in one and...

Thanks again for the outstanding reply! I apologize I am writing this on my phone at work as time allows, so I am not able to quote and format as nicely as I'd like to, but hopefully I'll get some time to look it over again this evening. From a logic standpoint, it would probably make the...

I simply copy/pasted your original quote rather than retype the entire thing, but thanks for the tip nonetheless! Awesome explanation here; thanks! So protons are essentially acidic, or at least are used to neutralize the alkalinity for our purposes? Out of curiosity, any idea why somebody...

Thanks for the thorough and prompt reply! The first follow up question I have is if pH and alkalinity can be calculated similarly to gravity points? i.e with pH, if I dilute my water 50/50 with RO I would have, say 5 gallons of my tap water at 9.2 (9.2 x 5 gal= 46) and 5 gallons of RO water at...

Hello all. Longtime lurker, first-time poster here at hbt. First of all, a brief but gracious "thank you" to the many of you here that have thus far unknowingly helped expand my brewing knowledge immensely (Yooper, Revvy, Kaiser, deathbrewer, AJ Delange, and Martin Brungard just to name a few)...