Your tank looks great, you were very fortunate with the rock you picked out...they are all really interesting. As for your powerhead placement...I have my Seio 620 on one side pointing to the front and get the ripple in the sand, reminds me of low tide and gives the tank a more natural look. Just my quirky preference.
I can't wait to see your tank as it progresses. TOTM for sure.
I can't wait to see your tank as it progresses. TOTM for sure.