I have just wired up a second 175W ballast to my tank and after firing up the 10K Aqualine bulb i am thinking that i might be better off with a 20k bulb as the second bulb as it is starting to look a bit yellow.
Anyone have a new 20K 175W bulb they are looking to swap for a new 10K?
Anyone have a new 20K 175W bulb they are looking to swap for a new 10K?
