Need opinion on reef setup

[Jenny_rs]

Temperature differential

Ah okay makes sense because I was rushed and didn't warm the water first. Learn something new everyday

 

[jsker]

This was suggested and I am dropping them in tomorrow. I have heard about the frag plugs but the 1.5 pounds has a surface are of 240sqf and you can drop the balls in the back of you tank http://www.cermedia.com/marinepure.php