Dropped my iphone 5s in the pool and now it won't turn on after 24hrs in rice?

I dropped my phone in the pool for max 2 seconds. It was still floating at the top when I grabbed it out. Within 1.5min I had it in the rice. I left it in the rice for 24hrs and checked on it and it wouldn't turn on. I tried to plug it into the charger--nothing. Now I plan on waiting another 24hrs for the phone in the rice…
I'm very upset I don't think I can get a new phone right now. Is there any hope? How many more days should I leave it in the rice? Should I check on it every 24hrs?

Get it to the nearest service centre. You did the right thing by keeping it in rice. You could also get a aqua dry bag. Now that its not turning on, as you said, keep it in rice for 24 hrs more and take it to the nearest service centre.

Place it on a layer of rice in a air tight bag or container, put the phone on top, cover it over with more rice and then seal the bag or container. Leave it for a week or a few days.

you really need to take the battery out, but being an iphone it's probably not going to be possible.