Sure will,I still dont know wheather or not to suck up the stuff in the sand,which im going to anyway..Looks like crap
If issue is not resolved it will be back in a few days.
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Sure will,I still dont know wheather or not to suck up the stuff in the sand,which im going to anyway..Looks like crap
I think youve answered your own question.
Too many changes recently to pin point the issue. Too much feeding, vodka, salt change, skimmer, etc....?? Which is the issue? Hard to tell.
PHO4 would have been my first guess, if not for all the other variables. 0.04 might be OK depending on method of testing, but even photometers have a +/- of 0.04, so you could be at 0.08, where algae would likely appear.
Se IMHO, in addition to working out your other variables, plan on adding GFO.
Mind you another variable......if the tank is only a few months old, this might be normal.
If issue is not resolved it will be back in a few days.
What made you want to dose vodka?
This
http://www.melevsreef.com/vodka_dosing.html
and This
http://reefkeeping.com/issues/2008-08/nftt/
and people on here doing it,cheaper the bio-pellets
Budman- I didnt mean it as a criticism. Those are both very good articles by very bright and experienced folks.
Its just that in this hobby you have to make changes slowly. We get hung up on what so and so says, and this "article i read", and before you know it you are making constant changes, and dont know where to turn when something isn't going right.
Trust me, ive been doing this 20 years, and sometime have to consciously slow myself down. If you do that you will find the solution to your algfae. I guarantee ytou it will be simpler that you ever thought.
Example- I few years ago my 95% SPS tank was taking a down turn. I coudlnt fiqure it out. Corals that had grown from frags to colonies over 4 years started dwindling to nothing. With in 1-2 months: I changed bulbs (manufacturers, wattages, etc), I changed salts, I bought a $300 photometer for phosphates, I redid my fuge, changed mud, deleted mud, readded mud, etc. Did huge water changes in addition to my 10% weekly. Nothing was working. Frustrated one day waiting for my RO/DI to make more water for the next water change i noticed my 75G per day RO/DI was not meeting that capacity. It was making a quarter of that. I unplugged the input and noticed a red tinged dribble coming out of it, instead of the city water pressure I expected. I check the main valve, lol and behold, it was not fully open. Did I forget to fully open when I changed RO/DI filters, did my water pressure change?, I dont know, but after fixing this unforseen issue the few corals I had left that had browned out, came back to life with in a few DAYS. Unfoutrunbitly I ended up with a bigger grave yard.
Long story short. Look at the easy stuff first before getting into the more complicated issues.
Sorry for the rant, I just tired my self with typing LOL>.

But just want you to know that keeping it simple works too 
Carbon dosing will bring nitrates and phosphates down. I prefer to drink my vodka so thats why i use Redsea nopox. It is easy to dose and works great. I was using a liquid coral food once a week and started getting a green algae on rocks and substrate. I could not understand why because all my parameters were excellent. I quit dosing it and within about 3 days the algae has totaly vanished. That tells me that these excess nutrients were causing this. Now i will only feed maybe once a month. I was running 3 hydros and recently switched to ecotech mp 40's. Exspensive upgrade but well worth it.

