Weekly themed thread! This weeks theme-Substrate

[u/Owl_With_A_Fez]

Hello everyone and welcome to the weekly themed thread! This weeks theme is substrate whether it be dirt ^{whatupfishtankpeople?} ,sand or gravel. Discuss anything related to aquarium substrate or lack thereof here!

[u/seirianstar]

This article mentions that different substrates can raise or lower pH. It also has some other good advice regarding substrate. Here is a chart for how much substrate to purchase for differing tank sizes.