You get what you pay for?! A marketing hype or a reality?

[Aquattro]

Originally Posted by darkreef

But a extra 500$ for lights that may up my coral growth a few inches a year doesn't .

But if you sold frags, you'd more than recover that $500 with those extra inches.

Also, often, when paying more, you get greater reliability and warranty. Not always, but often. I expect that my 8 year old Tunze will still be going long after my WP60 dies.