A RIMS (Recirculating Infusion Mash System) is an all-grain brewing setup where the mash liquid is continuously pumped through a heated tube and recirculated through the grain bed, maintaining precise mash temperature electronically.
John Brewster
John Brewster
John Brewster is the homebrewer and writer behind BrewMyBeer — over a decade of all-grain brewing, 80+ BIAB batches, and 1,000+ guides on fermentation science, water chemistry, hops, yeast, and homebrewing equipment. Every guide is written from genuine hands-on experience.
A spunding valve is a pressure relief valve with an adjustable setpoint that allows you to naturally carbonate beer in a sealed keg by capturing the CO2 produced during the final stages of fermentation.
Building a mash tun from an insulated cooler is the single most impactful DIY project for extract brewers moving to all-grain — it allows temperature-stable single infusion mashing at a fraction of the cost of commercial mash tuns.
A copper immersion chiller is the most cost-effective wort chilling solution for homebrewers — a coil of copper tubing submerged in hot wort with cold water running through it.
A magnetic stir plate is essential equipment for yeast starters — it keeps the starter solution constantly agitated, driving off CO2, oxygenating the liquid, and promoting rapid yeast growth.
Converting a chest freezer into a keezer — a combination kegerator-freezer that serves kegged homebrew on tap — is one of the best investments a homebrewer can make.
The Son of Fermentation Chiller (SoFC) is an evaporative cooling box for fermenting beer without refrigeration — it uses a small computer fan and water evaporation to cool a fermenter by 5–15°C below ambient temperature.
Pickling vegetables with beer vinegar connects two fermentation traditions — brewing and preserving — in a genuinely practical application.
Homemade beer mustard is one of the most practical brewing byproduct recipes — it uses beer as the liquid medium for hydrating and blending mustard seeds, and the result is a coarse, complex condiment that is significantly more interesting than …
Beer caramel sauce is a recipe I developed after noticing that the malt character in amber ale and the caramelized sugar in standard caramel share chemical origins — both involve Maillard browning of sugar-amino acid systems.