I don't know anything about it, but I'd go with Prime, especially if you have ammonia in the tap water. Prime will be a lifesaver.
You need to be very careful when doing water changes to make the replacement water the same as the tank water. A difference of 2 degrees one way or the other is a shock to them and causes stress which can weaken their immune system.
I don't know how serious the effect is when you add waterr that's too warm, but I know that colder water can shock and kill them.
WalMart or any pet store should have the little glass bulb thermometer that has a rubber suction cup holder. You can leave it in your tank all the time, get a reading of the temp in the tank right before each water change, then remove it to use while you are running tap water to get it to the same temperature. (I actually have two so I don't have to move it back and forth)
I run tap water into a tupperware container and adjust the flow for more or less hot water... as the water is flowing into and overflowing the bowl, I keep checking the temp in the container with the thermometer.... once it is stable and the water is flowing from the tap at a stable temperature then I fill up a bucket and put in some Prime. (the thermometer moves slowly so you want to give it time to make sure it has reached the accurate temperature)
Here's the thing, though. You're right that the tap water is warm right now. Mine is 82 degrees right out of the tap. I keep my tanks, normally, at 78 degrees, so I get ice cubes and put in the bucket with the Prime, not the tank, and stir and keep reading the temp. Go slow with adding ice, because of the time lag with the thermometer. (I plan to get a digital for instantaneous readings eventually)
Adding ice to the bucket I can get the temp exactly the same temp as the tank.
You need to be very careful when doing water changes to make the replacement water the same as the tank water. A difference of 2 degrees one way or the other is a shock to them and causes stress which can weaken their immune system.
I don't know how serious the effect is when you add waterr that's too warm, but I know that colder water can shock and kill them.
WalMart or any pet store should have the little glass bulb thermometer that has a rubber suction cup holder. You can leave it in your tank all the time, get a reading of the temp in the tank right before each water change, then remove it to use while you are running tap water to get it to the same temperature. (I actually have two so I don't have to move it back and forth)
I run tap water into a tupperware container and adjust the flow for more or less hot water... as the water is flowing into and overflowing the bowl, I keep checking the temp in the container with the thermometer.... once it is stable and the water is flowing from the tap at a stable temperature then I fill up a bucket and put in some Prime. (the thermometer moves slowly so you want to give it time to make sure it has reached the accurate temperature)
Here's the thing, though. You're right that the tap water is warm right now. Mine is 82 degrees right out of the tap. I keep my tanks, normally, at 78 degrees, so I get ice cubes and put in the bucket with the Prime, not the tank, and stir and keep reading the temp. Go slow with adding ice, because of the time lag with the thermometer. (I plan to get a digital for instantaneous readings eventually)
Adding ice to the bucket I can get the temp exactly the same temp as the tank.