Why use Chaeto? What I like about using Chaetomorpha Algae is that it pulls out massive amounts of nutrients. So much so that you may run into a problem with it pulling out too much! I have mangroves in another tank, and I’ve had other macroalgae before, but nothing is the workhorse that is Chaetomorpha. It truly is nature’s filter! What’s needed? Nutrients Chaetomorpha Algae (commonly referred to as Chaeto) is a plant and plants need food. The excess nutrients in your water feeds the Chaeto. If you don’t have any excess nutrients your Cheato will not grow. The main goal of growing Chaeto is to reduce nutrients. If you…