Originally Posted by mommy1
This seems to make the most sense. Due to tank size, stocking, whether or not it's planted, how the inhabitants are fed, filtration, and other variants, each tank has its own issues and each tank is unique. The only way to really know what's going on is to test the water regularly. Once a tank has cycled, nitrate testing will help determine how often to do WCs and how much water to change during any one WC, how often the filters should be cleaned, how often the substrate should be vacuumed, etc. Once the nitrates can consistently be kept within the safe range, the procedures that achieve that are the right procedures for that tank.
20 gal. high: planted; 8 white cloud minnows, 10 RCS, 2 blue shrimp, several snails; AC50, Azoo air. 65 gal: planted; 7 rosy barbs, 6 glofish,, 2 zebra danios, 6 rosy red (fathead) minnows, 3 dojo loaches, several snails; AC110 x 2.