Tank glass

Tank blocks are the tank's building materiel.it must contain water and have dirt/sand floor.it can later be decorated as you like.

Building tanks
There is one simple method in building tanks.it's Height can be Anything.it's length and width MUST be a multiple of 3. so it's something like a number of 3x3s rows next to each other. when building a tank,remember that the floor itself doesn't count as a fish shelter,but everything above it count.