I haven't been able to breastfeed much so am struggling with bottles. My daughter (2 months) has reflux and we have had to switch to SMA Staydown formula (reflux improving a little). The problem I've encountered is that the Avent teats seem to sometimes clog up no matter how carefully I clean them. The new formula is thicker so I've switched to #2 teat, but even these seem to clog up (resulting in both of us panicking when she can't get milk; also v. frustrating at night switching teats to find one that works). The #3 and variflo seem to be recommended for 3 month olds. I could use tips on how to unclog teats and/or deal with the Staydown formula. Any help welcomed!