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BoilerMakerTM Selection Guide & Data Key to top performance of your new BoilerMakertm brew pot is selecting the size that best fits your brewing needs. Selecting too small, or too big of a brew pot, mash tun, or hot liquor tank (HLT) can cause frustration and poor performance.
Boil kettles: we recommend that you always do a full wort boil, as do most brewing texts and advanced brewers. This will minimize the addition of top-up water to compensate for boil-off, and starting with the volume called for in your recipe will let you know early in the process if you've hit your target gravity giving you more time to correct the problem. Also, you'll get more consistent hop utilization by sticking to the recipe volumes, as utilization changes significantly with specific wort gravity. Last, but certainly not least, is boil-over prevention...having enough head space will keep this irritating problem at bay. That said, we recommend a boil kettle approximately 2 times the size of the finished batch size. Although this may sound like a bit much, a 10 gal batch will typically start with 13-14 gal pre-boil once you compensate for cooling contraction, transfer losses, and boil off. This will allow for a reasonable head space to reduce boil-over problems. For example, if you're a 10gal batch brewer, you'd select the 20 gal BoilerMakertm brew pot as your boil kettle. Mash Vessels: we recommend filling your mash vessel no more than 75% of capacity. This will allow sufficient space for dough-in of the grains and additions of sparge water and sparge arms, etc. The chart below includes various water to grist ratios to assist you in your selection. The green column is our recommended water to grist ratio. Minimum volumes are to ensure that the thermometer probe is adequately submerged, and also so you have an adequate grain bed depth for proper wort filtration. We've designed the BoilerMakertm brew pot sizes to seamlessly blend from size to size, so you'll never need to sacrifice. Hot Liquor Tanks: we recommend sizing your HLT the same size as your mash tun to ensure you have plenty of sparge water available on brew day. Recommended 3 Kettle Systems For Typical Batch Sizes (HLT/Mash/Boil): 5 gal batch: 10/10/10 10 gal batch: 15/15/20 15-20 gal batch: 20/20/30 30 gal batch: 30/30/55
Sizing Guide:
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