Its like most things in the hobby the Miracle will be trying to keep your money in your pocket lol. 95% of the stuff you squirt from a bottle is water lol, most of the things you need come from regular water changes. the mud is just what the name implies its mud. and its not cheap mud. It wont hurt anything that I know of, may raise your numbers a bit but nothing to worry about.I just use reef sand.and mostly cheato algae and it free floats. have had a few macros that need to be planted but they were more for looks lol under mytank behind a door. $for $ mud is the rich mans dirt lol.
Brian AKA Dad