I am making a Minecraft map and I now have lots of unupdated water blocks that need to be updated for proper flow. Placing and removing blocks isn't an option because these bodies of water are too large.

Is there any way to cause block updates for every block in a chunk? I can use WorldEdit and MCEdit, and also Bukkit plugins.

2 Answers 2


Unable to test this right now, but what might work with World Edit is to replace the water with something else and then to make it water again (//replace water diamondblock followed by //replace diamondblock water).

If I remember correctly that caused a block update.

If that doesn't work try replacing the air surrounding the water in the same manner (//replace 0 diamondblock, //replace diamondblock 0).

Of course, if it's supposed to be a pool there is the handy dandy /fixwater.

  • /fixwater seems like the best option to me. It does exactly what is says on the box.
    – MBraedley
    May 5, 2014 at 15:44
  • True, but if you want, say, a bunch of fountains, it'd just make some weird pool-like things.
    – Elva
    May 5, 2014 at 16:57

There is an update command in worldedit: //regen you can only use this in bukkit not sp

here are all comands if you need it

  • //regen regenerates the selected chunk. That is not what I want. I only want the blocks to be updated. Thanks for trying to help, though.
    – jobukkit
    May 5, 2014 at 11:25
  • Maybe the "alt-f3" will do. google if it is still in because i don't know. this trick is vanilla if you wonder May 5, 2014 at 11:29

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