How to Make a Minecraft Auto-Filling Pool.

This uses pistons and redstone to make a pool you can cover up. The pool auto levels itself.

Step 1:

Step 2:

Step 3:

Step 4:

Step 5:

Step 6:

Step 7:

Step 8:

Repeat this step on both indented sides.g

Step 9:

Repeat this step on both indented sides.

Step 10:

Repeat this step on both indented sides.

Step 11:

Repeat this step on both indented sides. Both torches have a block over them.

Step 12:

Step 13:

Repeat this step on both indented sides.

Step 14:

Both sides should look like this. Repeaters should all be on 1 tick.

Step 15:

Redstone goes all around.

Step 16:

The block with no redstone on it, you must put it there, or crazy stuff will happen. EDIT- the repeater needs to face the other way.

Step 17:

Cover the mechanism with dirt so it matches ground level again. These two must be left uncovered.

Step 18:

The pistons are now holding wool, and are outlined with wool.

Step 19:

Place two layers of stone* around the pool *or whatever you use to make it.

Step 20:

Design the front of your pool. The chiseled block is showing you where to put the lever. --- The chiseled block is placed above the uncovered redstone- the one closest to surface.

Step 21:

Have water flow from the outline of the pool like in the picture. The water should all be source blocks.

Step 22:

Cover the water with slabs.

Step 23:

Place the lever and enjoy the pool. You can also create pools at ground level, you do the same process, but you dig your hole and place your pistons deeper ;)

Step 24:

In ground pool