My twins are now 5 but they were exclusively FF from roughly six weeks to one year. Â I started out using Similac Advance With Iron and Playtex Vent Aire bottles. Â My lifesaver was a bottle drying rack and a dishwasher basket for the nipples and little vent disks. Â I didn't use a bottle warmer at all, I just used room temp tap water and made bottles one by one (or two by two if they were both hungry at the same time). Â For the middle of the night feedings I kept a formula container and a prefilled bottle on the bathroom counter. Â I shook out the formula into the bottle then shook to mix. Â For outings I used the same formula container and brought either prefilled bottles or a bottle of water for mixing. I later used the same container for cheerios and other finger foods on the go. Â
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Some people swear by mixing up a whole pitcher of formula in the morning and keeping it in the fridge. Â The one by one method worked better for me and I didn't have to fuss with warming a bottle and making sure it wasn't too hot. Â When my babies were about 8 months old I switched to half Kirkland Signature (Costco brand) formula and half Similac, then gradually got them on straight Kirkland Signature. Â We never had any tummy issues related to formula or bottles. Â
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I never did bottle propping, somehow I managed to feed them both at the same time by propping them in the Boppy in my lap. Â I preferred to hold them in the cradle position for feeds, but if they were both hungry at the same time that wasn't possible and the Boppy worked well.
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I hope that helps!Â
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ETA: Â As far as being supported in formula feeding, it wasn't really an issue for me. Â Nobody has ever said anything negative to me about it, if someone DID ever say something to me I'd probably let them know that how I feed my children is none of their damn business.