If all you’re looking to do is just click a button and get a decent print for a reasonable price, we recommend Fujifilm’s Instax Mini 12. It’s a basic instant camera that’s similar to our former pick, the Instax Mini 11, but with some minor updates. It still takes less than five minutes to start shooting, but the setup process is easier since all you need to do is twist the lens to either “on” or “off.” Such ease of use, combined with the camera’s thinner build, makes it particularly well-suited for kids and those new to photography.
In some cases, alternative gelling agents might provide faster results. Researchers observed that bacterial cellulose and another bacterial polysaccharide, Eladium, allow a 50 percent increased growth rate for various bacteria and yeasts (as compared to their growth on agar), including higher biomass yields or faster detectable biofilm formation. However, both substances are still not as cheap and readily available as agar.
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