Mod InfiniteFluids - will add one small but very useful thing to minecraft - endless water and lava, but it's not fair and cheating, but maybe you don't need realism, but you just need endless water and or lava? then this mod is for you.

What is the essence of the InfiniteFluids mod?

Create a small reservoir of 4 or even 3 blocks of water, for this you will need only 2 buckets of water, after which you can take water from this reservoir in any amount. (if you made a reservoir of 3 blocks, then take water from the middle one.)