Quote Originally Posted by SueD View Post

What is it that people like about MTS?
they aerate the substrate keeping it from compacting and making it more aerobic enabling plants to more readily exchange gas like co2, which also keep bad gasses that can be trapped in ones substrate out keeping inhabitant of tank safe from said dangerous gasses, they also dont eat plants or plant roots and most the time are buried in the substrate so arent the eye sore other snails like pond and rams horns are.