Splitting partial boil batch into 2 primaries?

When it reaches spring/summer temps I'll be forced to use some kind of temperature control for fermenting. I'd like to continue brewing 5 gallon batches but the mini fridge I have as a fermentation chamber will only fit two 3 gallon better bottles due to their square footprint. Would i have any problems splitting a 5 gallon partial boil batch into two of these? So basically rack an equal amount of wort into each, top off with an equal amount of water, pitch yeast 50/50 between the two, ferment and then combine both when it comes time to bottle/keg?

I don't see any problems with this but maybe I'm missing something.

Thanks!

You could do that, but I think I'd put the entire volume into a bucket or larger carboy to ensure equal mixing of what was boiled and then rack that into two better bottles.

I see nothing wrong with that either. A lot of people actually split batches, especially if they are doing something like a fruit beer.

IffyG said:

You could do that, but I think I'd put the entire volume into a bucket or larger carboy to ensure equal mixing of what was boiled and then rack that into two better bottles.

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Yeah I could see the point in doing that. But am I wrong to think that if there was unequal mixing, and one bottle had a higher strength, it would be taken care of when I blend the two on bottling day?

If you aren't concerned about never being able to replicate a batch, you would be fine with your original method. Doing a half an half mix from the boil kettle would likely produce variation between the two fermentations. Might be trivial, but I like to minimize variables.