Issue description:ive set up a auto tree farm to feed into my refined storage disk drive and it began to store air blocks some how

What happens: I set up a auto tree farm to feed into my refined storage disk drive and it began to store air blocks some how

What you expected to happen:

Steps to reproduce:

1. unsure as just noticed it this afternoon

...

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

• Minecraft: 1.12.2
• Forge: 14.23.1.2560
• Refined Storage: 1.5.25

Does this issue occur on a server? [yes/no] no

If a (crash)log is relevant for this issue, link it here:

[pastebin/gist/etc link here]

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