Attempt an aquarium calculator to figure out just how much substrate, gravel, or sand you require

https://aquarium-sizeojjy621.opalvector.com/posts/15-best-pinterest-boards-to-pin-on-all-time-about-fish-tank-calculator

Try an aquarium calculator to find out how much substrate, gravel, or sand you need. Get helpful estimates based upon depth and tank measurements.