Curing live rock. Help me out please

C

clown

I bought some uncured live rock online from livestockusa.com I setup my tank two days ago on the 4th and added all the live rock in the tank yesterday. When I got it, it I rinsed the rock real good in another tub, that got really nasty looking So yesterday I tranferred the rock in the tub into my aquarium which had fresh RODI salt water. The rock didn't get my water in the aquarium very dirty. The tank has a cpr skimmer and it's filling up with lots of skimate.
The rock looks good and has purple and pink and orange algae on it, but all of the rock has a grey colored fuzz all over it, and my powerhead won't take it off. I don't really want to take all the rock out and brush it off, but if I have to I will.

So here is my main concerns,

I have heard from different people saying, Don't put any lights on it
while curing, others say yes. ???
So here is my water parrameters
No light on it
Tank is Barebottom
temp 78
Salt, 1.021
PH 8.0
Cal 420
phosphate .05
Alk 3

What should I do?
 
You definately don't want light while curing live rock unless you like out of control nuisance algae blooms. There will be massive amounts of nutrients in the tank during curing which will fuel nuisance algae growth.

I would wait at least 4 weeks (when your nitrites are 0 you should be OK) before using any light on the tank. Coraline algae doesn't like real bright light anyways. Some, or maybe all of the coraline will die off. Don't worry, it will come back fast if you don't hit it with too bright of light right away.
 
All I can say about the curing is it will take time. You will get algae blooms with the light on. But with the lights off you will not be able to see what is happening with your rock(whats dieing whats growing) As for as the grey fuzz you can scrub it off or you can just wait it will most likely die off. When I bought my rock from them it was just as nasty as you are stating. I did a first clean then just waited. It took my tank closer to 2mo to cycle so just be ready to wait.

What kind of rock did you get and can you post pics?
 
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