Our hand-blended soil mixes were created by a plant lover and a scientist to bring your plants the absolute best substrate for them to thrive! All blends contain Slowdirt, which is an organic pest defense. This means not only will you have the best soil, but it's treated with a preventative against soil pests, saving you time and money. The Chonky mix is formulated for specialty plants such as Albo Monsteras, Thai Constellations, Hoyas, and other plants requiring maximum drainage. 1 Quart size bag.