Aw, this is definitely a big problem. Well, if you do not know how to fix the tank, then try to take it to some master, but you can still try to fix it yourself. I saw a few lessons on YouTube about it. Also, a calculator for tank volume can help you with calculations. Here is a link to their website https://concalc.org/. This is a pretty good site with various calculators. I used this site when I was building a roof (yes, there is also a calculator for this). So try |