frag tank

[shnapper20]

does anyone out there use their auto water change waste water from the display , to do water changes with their frag tank?
if so is there any need to dose the frag tank if is full od sps frags?
what size frag tank to display do you have?
thanks

 

[mangolove]

So a common theme i am seeing amongst most hobbyst who sell coral is they have 1 a main display and 2 a small shallow frag tank and they use the water that comes out of main display after water change

 

[shnapper20]

So a common theme i am seeing amongst most hobbyst who sell coral is they have 1 a main display and 2 a small shallow frag tank and they use the water that comes out of main display after water change

thankyou thats what i thought, its nice to have it confirmed