Quite the photographer too. Lovely corals. It's a bit odd when someone like yourself comes to the forum @glennf as you clearly need no advice, just please tuck in giving it.
when you have something worth sharing it's a waste not to do so.
i wish i had more guidance and people to look up to when i started back in 2004.
As I said I marine fish uk share all your info and methods here as Mike above said share the info he is Admin here so has been cleared by the boss but it's the same as marine fish here you got no mods or admin on power trips we all here to enjoy the hobby and learn :)
just allow me some time to introduce my tank properly, than you guys be the judge.
this acropora has shown various color variation depending on choosen po4 level and lighting setup