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Are you running a skimmer and is it really putting out a lot?
That could explain the drop, but only if you were topping off with RO/DI to replace what was skimmed.
Were the rocks dry or wet when added? Is there a chance they were in a container of saltwater that evaporated leaving salt...
I would stop trying to fix the level until your are sure that it is being measured correctly to start.
You dropped from a steady state 1.023 for no apparent reaason to 1.018. You mixed five gallons of water at 1.030 and did a water change on a tank at 1.018 and drove it off the upper scale...
Thanks for posting this AFTER I bought the 180. ::)
I've been wrestling with this issue myself. It's a contributing factor to my RetroReefing style. ( Kind of catchy phrase, huh? I've been thinking of changing my screen name to RetroReefer ;))
With the VHO's I have not needed to run fans or a...
It's best to dose when needed. In other words Lou, test your levels first and see if you need it. After a few weeks of testing, if you keep to a fairly regular routine of water changes and other dosing, you can get a feel for how much mag you are using. But in general you should test first for...
Thanks Ralph, everything was great!
My wife and doctor want to thank all the photographers for helping to make their case against me; my diet starts this week. ::)
Cut your losses and just go with new ballasts from somewhere other than Homby/Aquatraders.
I had a bad experience with them on a T5 strip light where the original ballast and the replacement died within days.
They have a long, ugly history. Stay away from them!
I do all of the above: SeaSquirt, turkey Baster, large syringe with some rigid tubing, and feed the whole tank and let them get what's floating.
In a real reef there is enough food in the water column drifting and swimming by to let the coral feed themselves, but not so in a closed system.
LPS...
Looks possible to me.
I know my candy canes would occasionally go through a cycle of shrinking to almost no exposed tissue for a few days before an extended period of growth and splitting.
Sounds good on the carbon.
I would dip that colony. IF everything else is OK it's unlikely that it's parameter related.
Is there another coral close enough to that section to be attacking it?
Alleopathy is a possible cause.
Carbon works fine if you change it on a reqular basis.
Jceli how often do you change the carbon, how much do you use and how is the tank water processed through the carbon?