Tutorials/Slime farming

Slimes only appear in 10% of chunks from y=39 and below, as determined by your world seed. Various utilities exist to help locate these chunks, for example Amidst 3.6 or later, or http://chunkbase.com/apps/slime-finder. They can also spawn in higher y values in swamps, but building farms in swamps is impractical.

Once a slime chunk has been located, the best farm, and quite simple, is to dig out the chunk, all the way down to bedrock if so desired, and from y=38 start building platforms that cover the entire chunk every 3 blocks down. Eg, y=38, y=35 and so on. Around the chunk platform, make a 3 wide dead fall, and on the lowest level use water streams to either drown the slimes to death or push them against cacti (this method will destroy much of the slimeballs against the cacti).

Jioge's 1.8 Slime Grinder Tutorial
Many slime farms, especially those involving Iron Golems and the mechanic of slimes sinking into a water pit, were broken in 1.8 release of Minecraft. Jioge has the solution with this simple trap. Slimes are now able to swim upward and on a horizontal axis, so it is important to take note of how Jioge places the water in the drowning trap.

Extra-flat
In a superflat world, slimes can spawn when there is a flat area of 3x3 chunks (minimum 4x4 recommended) or larger. However, if you are playing in a normal world, then this may be difficult, as you may need to get a lot of blocks (dirt recommended) to flatten the ground, and you need place to start flattening the ground. In 1.8, you can tell at what chunk you are and in which block of the chunk you are using the debug screen (which is triggered by using ), which makes stuff a lot easier. But if you are playing in 1.7.10 or lower, then it will be more complicated. Here are a little steps for people playing in versiones lower than 1.8 to know if they are in the corner of a chunk:


 * 1) See the x and y coordinates from the debug screen and annotate them in the clipboard if necessary
 * 2) Open the calculator
 * 3) Divide the x by 16 (without the - if it has one)
 * 4) Do the same with the y
 * 5) If the result of both solutions don't have numbers next to its comma, then it means you are in the corner of a chunk. If not, you may wish to move a few blocks and repeat the process.

Now, start flattening the ground until Slimes start spawning. Please note that they may not spawn if you have gamerule  set to false. If you have it set to false, then set it back to true by typing. Then start killing the slimes that appear until you get the wanted amount of slimeballs.

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