Storing my baby's pre made bottles in the fridge...?

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My baby is on SMA formula, She has colic and is now constipated from the SMA. There is a special formula Aptimal does for colic and constipated babies. I would love to try her on this but you cannot store the aptimal in the fridge which I used to do with SMA. I know Aptimal does the ready to go cartons which I could use for night feeds but it does not do it for the special formula I want to use for colic and constipated babies. I cant see how I could make a fresh bottle every 2 hrs with night feeds having to boil the kettle and wait 25-30 mins for it to cool etc etc.... With SMA I either had them ready in the fridge or I used the ready to go cartons at night. Is it just a precaution that they tell you not to store the feeds in the fridge or is it a real no no??? Any feedback or information on Aptimal users or any mothers info would be great. thank you