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Issue description:

Steps to reproduce:

1. Fill the tank
2. Put more than one empty bucket in the bucket slot
3. They no longer take in any fluid

Version (make sure you are on the latest version before reporting):

Forge: Forge version 31.2.31 For 1.15.2
Mekanism: Ver. 9.10.9.422 For 15.2
Other relevant version:

If a (crash)log is relevant for this issue, link it here: (It's almost always relevant)

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Using version 10.0.9.432 with Minecraft 1.16.1 and Forge 32.0.108 I was able to replicate this.