Like animal-based gelatin, the agar is dissolved in the liquid in a small saucepan over medium-high heat, brought to a boil and then simmered until slightly thickened, about 5-7 minutes. It is then chilled in the refrigerator until set and typically enjoyed cold.
You can use coffee grounds in your garden or potted plants! The three main advantages to gardening with coffee grounds is that it attracts earthworms, brings organic material to the dirt and the microorganisms in the grounds are beneficial to aid the growth of the plants. Image Credit: Getty Images.
Coffee grounds vary in pH value, depending upon whether you've brewed them. According to Science Daily, brewed coffee grounds typically possess a pH level that measures between 6.5 and 6.8, which fits into the preferred soil pH levels for most plants.