This is an easy and cost-effective way to boost your plant's nitrogen. Simply lay them as a mulch layer around your plants. Coffee grounds add nitrogen to soil, but there’s a caveat. If you are ...
From nitrogen to magnesium, coffee also contains elements and minerals that offer heavy-duty applications around your home.
Adding nitrogen to the finished product requires a piece of gear like the $290 uKeg Nitro Cold Brew Coffee Maker, which needs a new $3 capsule of the inert gas for every 50-ounce batch. The easy ...