no problem, what you do is just to get a piece of acrylic plastic or similar, get it cut to fit your tank and just place it on top of the glass. This way you dont need the hassle of emty the tank. Once your aro hits, 35-40 cm, you can just take it out and have your black base back. The idea with the WTT is to have the level of shine rise, once you have achived that, put it in black background tank for gold intensity. good luck with your goldie ;-)
this is my tank, re-done in the above way. (it was also black base). I'm getting my crossback next month....


this is my tank, re-done in the above way. (it was also black base). I'm getting my crossback next month....

