coraline

It will vary greatly from tank to tank. IME lighting has a big effect. The type of coraline covering most of your rocks may not do well under intense MH, or it may be a type that loves intense light. You will have to wait for the type that likes your tanks conditions the best to take over.

Keep your cal/alk/mag in check before you know it you will be cussing you have to scrape the glass again.

Temperature is highly debated. It seems in general most try to keep tank between 79-81 F. I use a controller to keep the temp swing under control. Just like any other parameter it needs to be as stable as possible. I try to keep my temp swing less than 1.5 degrees..
 
[welcome]

yup make sure you have high enough calcium levels in your tank.. what are you water parameters?
 
What do you have in your tank?
What lighting?
Live rock?

Coralline can take a while
As long as CA & Alk are OK it should grow
- as long as there is coralline already in your tank
 
I hear that. I have to scrape every week. Coralline on glass = pain in the %ss!
 
Amen.

I have 90% coverage on three sides of glass in my 4 month old tank. On my last tank, with more nutrients in the system, worse flow, and sometimes inconsistent CA/ALK supplementation it took about 9 months to see the first specks.

ARRGH. :)
 
if you have seed rock, place it in front of or close to a PH. this will help. also need to test the calcium and ALK daily for three days. find a set parm. and you should have to only test ALK weekly and Ca2 monthly. this will help save kit $. Ca2 should stay between 400 to 460, i keep my ALK high for inhabitant reasons.
 
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