Garage Project on Instagram: "Sludge. It’s not exactly super sexy, but what you do with it is important. Brewing creates three main organic waste streams: malt, hops and yeast. Our spent malt already gets repurposed as animal feed (and occasional crackers and dog biscuits), but sludge (the thick slurry of leftover hop material and yeast) has historically been a trickier problem to solve. For a long time, we collected it in tanks, but it still ended up being trucked to landfill as liquid waste. N