How can I cool down my mixed water

[MicroReefTank]

Just my small experience
With the iced bottles I think I got some Xenia corals complaining and got sick

The up and down temperature caused by the bottle, as I put it directly in the DT as I don't have sump was probably the cause

When I set up the fan and got constant temperature the xenias got back to normal

But that's my experience in a tinny tank

 

[billdogg]

Don't over complicate it. Freeze water in a plastic container like a pop bottle or gallon jug. Float it and make sure you have flow. Once your water gets within 2-4 degrees of your DT, you're good to go.

^^^This^^^

I have a few water bottles in the freezer all the time. Normally, I just use them on Poker Night to keep my beer cold, but they work great for cooling tanks too. I just toss them back in the freezer when done. I've had the same ones for years now. Turns ou, they don't go bad!

 

[igot2gats]

you can freeze water bottles, they work fairly well.

.....of RODI water. This way, you're fully safe, in case it opens somehow.

 

[kmbyrnes]

Like you, my mixing takes place in the garage. So my water starts at about 102 this time of year. I just mix it up and bring it inside for 24 hours.