Where do you get the most accurate temp reading from in your reef tank

[dino]

I put mine in the water

[iamfrontosa]

Originally Posted by dino

I put mine in the water

thanks for a good laugh.

I put mine in the sump in 1st chamber. 2nd chamber is the heater. My chiller, when activates, draws water from 1st chamber and out in the same chamber as the return pump.

I don't really aim for accuracy as much as constant in temp.