Light penetration

[package]

I upgraded tanks and things are not as bright as they were in a more shallow tank.

My question - the tank is pretty much BB so there is light passing through that will eventually crude up nylon return lines. If I were to add a layer of crushed coral to the bottom of the tank would it increase the brightness at least from an appearance standpoint by reflecting light?

[Allmost]

yes, yes light would reflect and hit the reef again, instead of absorbing it or passing it through.

but go with aragonite sand, and rinse it in RO/DI water to get the po4 out :) it will go a long way

[package]

The only reason I am not using sand now is I have a heavy fish load and I like to keep water flow high near the bottom. I prefer the looks of sand, just not blowing it everywhere, that is why I was thinking crushed coral - heavier.

[Allmost]

you can use calcium reactor media ! aragonite and prety large :)

if the tank wasnt up yet, Id advice you to paint the bottom white, same effect with respect to light :)

or even a white acrylic at the bottom.

but they need to be cleaned, so ... :)