Thank you for your support and information Michele, you can call me Dani if that's alright.

I have went and bought the 10 gallon, I spent more money and bought a nice filter that has an adjuster so it can be on the low setting like Dr. Barb's caresheet says. I will go tomorrow to buy more gravel, some frog and tadpole bites and more plants for him before setting up the tank.

Currently my remaining frog is still in great shape, eating and swimming as he should with no redness. Oh and I did pick up ammonia and pH test strips. My pH level in the current 5 gallon is 7.5 and the ammonia is 0.