Not used one myself but I have seen the mound growing in family members and numerous people I know have had "reflux" babies, who when they've gone on holiday and not taken it have dramatically approved. The safety testing is apparently just electrical rather than food standard.
We have one of these and it's an absolute godsend! As with any item that uses water we clean it regularly and check the pipes takes less than 5 mins to run a cleaning cycle and give it a good wipe over. Can't imagine trying to make a bottle from scratch for night feeds. I would 100% recommend one to anybody that's going to formula feed!
It does have potential safety issues but i would still buy one if I was formula feeding, everyone I know who has one loves it. I probably wouldn't use it until the baby was 2 months old though, because as PPs said it doesn't manage to kill the bacteria that may be in the powder.
"Unpublished university based research which investigated the efficacy and temperature profile of the Tommee Tippee Perfect PrepTM Machine using PIF inoculated with known amounts of Cronobacter sakazakii has suggested that whilst the machine hot shot of water onto a small volume of powder was able to eradicate more than 95% of the bacteria, it failed to reduce their numbers to an undetectable level. Whilst the machine produced water for the "hot shot" at a temperature higher than the 70oC stipulated in current guidelines, the temperature fell to around 60oC after 2 minutes. Furthermore, when PIF was added at 30, 60 and 90 seconds after the "hot shot" - the temperatures in the bottle were only maintained for around five seconds before they fell again to between 52.5 and 55.5oC. This research showed that dependent on when the PIF is added, the water temperature may be too low to effectively eradicate all bacteria present. The volume of the initial hot shot of water used for a four ounce feed is about one fluid ounce, and it is questionable as to whether this small volume of water can adequately make contact at the right temperature with the amount of PIF added."
Hi - to pp about hot shot. Read the WHO bottle making guidelines. Iv scalded myself on the hot shot. Ours is great I boil the kettles nd fill it with that. Not sure why you want one but mine has been a God send especially in the early days it fairly earned it's money then. It is really convienent in the middle of the night - easy to set up etc. Pp mentioned two kettles probably a good idea as well I like mine I have a hungry babe who when wants fed wants it yesterday so I have found it great. Sorry for rambling. Anyways good luck! No carbon build up in mine either.
It's incredibly expensive when you can replicate exactly what it does with a kettle and measuring hot water out.
Or you can make bottles up safely using hot water, flash cool and then store in the fridge for 24 hours. This is slightly less ideal than making up fresh each time, but still totally acceptable. You could use ready made cartons/bottles overnight for the first 2 or 3 months if you want to be even more cautious.
Assassinated I was going to say boiling the kettle for every bottle must cost a fair bit in electricity, though I don't know if using the perfect prep machine would be considerably cheaper. I used to put the boiled water in a flask to keep it hot enough for the next feed when baby was on every 2-3 hours.