Hey Joe, I thought the same way, and maybe I could use some pointers on this but here is my 2 cents anyway....

I tried building units that would hold 32 and also one that held 40, the one that holds 40 came out beautiful but now sits in the garage collecting dust....heres why.

I have a hard time getting the proper heat gradient on a rack that size. I heat my room to 83-85 and like a gradient to 90 during day, but there always seems to be some airflow that keeps lower tubs at the 80 - 82 mark, and that causes me to try and raise heat and then top tubs are too hot.

I settled in on some rack sizes that are 16 tubs and that size seems alot easier to regulate.

If I could be doing something different to fix my problem please comment, but this is what I setteled with for my situation. Hope this helps. Andy Federico

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