It's sounding good! Your tank looks a lot bigger than 6 gallons in the photo 
One powerhead should be fine. I had 2 in my 5 gal, but had to take 1 out coz it was way too powerful. I now have 25x turnover and that's perfect for my LPS.

One powerhead should be fine. I had 2 in my 5 gal, but had to take 1 out coz it was way too powerful. I now have 25x turnover and that's perfect for my LPS.


