Instruction: Generate an answer to the question by utilizing the information contained in the document.

Input:
Question: How fizzy does the water get at the maximum setting?  Can you set it to super-fizzy then add more water to stretch the cartridges out a little bit?
Document: So, I tried 2 cartridges and it was a little better, but still nothing compared to the lowest setting on the SodaStream which would be minimum carbonation. Using 2 cartridges with the Fizzini made it ALMOST like a bottle of Coca Cola, but not quite. I had it set to the maximum level of carbonation with the little dial on the back of the device too.I use my SodaStream daily for energy drinks. Kids use it now and then for different sodas.
I'm sure many tried carbonating plain water and expected it to be carbonated for a long period. I'm sure people tried chilling the water and expected to get better results. Well, chilling does help a little. The answer is.....Salt. To retain carbonation in water, you must add salt. Look and the labels the next time you shop. Minimum salt content is 1% but, no more than 5% salt. In most cases, 1% salt is good enough.
However, it was super fun and gave us some nice flavored fizzy water. My son thinks this is the coolest thing ever.This comes with 10 cartridges, and I haven't been able to find extra cartridges yet (the instructions say to only use the Hamilton Beach cartridges), but I'm sure they will be available soon.In all, it makes some great fizzy drinks and allows us to play with Crystal Light flavors.
Since each cartridge makes one bottle of fizzy water or soda, and only ten are provided, this will very quickly become a problem. Refill cartridges for the Soda Stream, in contrast, are readily available and there's a discount for returning the old cartridge.If you can figure out how to get refill cartridges (only Hamilton Beach cartridges will fit) then this is a good idea. If not, your joy will be short-lived.
I tested this with an energy drink syrup, with acceptable results, though it could have been more &#34;fizzy&#34; for my taste.Might be handy at a home bar set up, or maybe at your desk at work, if you feel like showing off.
I'm not trying to make soda so I can't comment on that. I use the Fizzini to make Carbonated water to add to my Tonic Syrup when making Gin and Tonics. It is the best way to get great carbonation on demand.
The picture for this item shows you getting a large bottle of fizzy water, but if you prefer your water anything more than very lightly carbonated, you will only get about half of a bottle of carbonated water. That is because you have to fill it up to the bottom line to get max carbonation. Anything less than the max carbonation turns flat within about a day. Every single bottle also uses up an entire CO2 container, which seems really terribly wasteful to me.
So this is a neat little space-saving device which allows you to make your own carbonated water. I don't see how something like this is any better than buying your own bottles of carbonated water. Unless you don't like recycling. Even then, with this device, you are still throwing out little used metal CO2 cartridges.With this device, you have to use the bottle it comes with. It holds maybe a liter of liquid.
BUT, they appear to be standard 8 gram cartridges, so you can find a box of 100 (different brand maker) here on Amazon for as little as 30 cents each cartridge. At this point the price starts to become more economical for quantity of carbonated beverage produced, and the CO2 cartridges are recyclable, so not frightfully wasteful there - you can use your own water and flavorings, and with minor effort produce any flavor you want of soda pop!
(Of course the drawback is that they're not as "portable" as this nice unit.) I was looking at the price of these cartridges on Amazon and it seems like they're around fifty cents a cartridge which can obviously add up. Perhaps the price will come down on them but regardless, if you're looking for a carbonated water maker that travels easily and well, I highly recommend this one. It delivers on its promises and its easy to use too,
Answer: I always set mine at max setting.  I use ICE-COLD water, charge it, shake it and let it set for a few minutes to relax.  I then slowly remove the top and enjoy!  It seems you cannot make it any more carbonated.  VERY bubbly.  I don't want to ruin a parade but, check Walmart dot Com.  $14.88!