[untamed]

Originally Posted by MarkoD

i've heard acrylic will yellow over time

Maybe cheap acrylic...but not quality acrylic.

Originally Posted by reefgirl189

Acrylic can be easily scratched would be the biggest con in my opinion.

Of course having said that the scratches can be buffed and polished out when the tank isn't running.

Acrylic generally becomes cheaper than glass on the large tank (like 300 gal and up) but not always.

I just polished out the entire 6 foot front panel of my tank. I do that every few years and it does NOT require the tank to be emptied.

I think the clarity and colour issue shouldn't be down-played. As you get much larger than 300 or 400 gallons, you start building with thick glass. IMO, that thick glass creates green tint even if you use low iron glass.

I'm not saying that acrylic is without problems, I'm just trying to clear up some misconceptions.