mardi 17 novembre 2015

What just happened???

Hello all, I have a standard 75 gal reef and the strangest thing happened.
I was doing a water change and added the proper amount of seachem marine buffer when the whole tank went white. water was milky white and I did a 50 gal water change. the next morning, the water was clear, but it looked like it snowed. I turned off all the pumps and vaccumed the snow from the rocks. I then filled a tub with new water and 3 buckets as well, I took the rock out one at a time rinsing them in all 3 buckets before putting them in the tub. I vaccumed out the rest of the snow, placed the rock back and added approx 60 gal of NEW water. it looks great now, but phosphates are now off the chart. all levels were at trace level before the rinse and are at trace now except phosephates. cal is at 420, DKH is at 13, ph is 8.0
Tank is 2 months old
150 lbs of dry rock, fully cycled.
120 lbs of live sand from Galveston bay( top 3" from non air exposed shore)
marineland 375 canister filter
3 950 marineland powerheads
4 T5 HO lights( 10k,6500k,2 actenics )
sump project is in progress ( no sump, no skimmer...yet)
I use RODI water and reef crystal salt
4 damsels
1 clarki
1 lawnmower blenny
several crabs ( must have gotten some eggs from the live sand )

This has all the symptoms of overdosing carbon, which I don't dose.
I am completely baffled here


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