can you post some additional info on the tank. Levels, equipment, inhabitants etc...
Equipment:
Marineland 60g cube built in low profile overflow
2 AI SOL White fixtures all 40 degree optics 15' above water surface W 20% max B 80%max PAR reads 300 max at top of rock
2 Tunze 6025 circ pumps
Single piece of man made rock sculpture made from Alternative Reef
Aqueon Proflex 1 sump filter socks/fuge/return
Reef Octopus dnwb External skimmer feed by Tunze quiet one
Return Tunze Quiet One
Apex Lite- 2 EB8's- VDM
Modded Phosban 150/Reef Octopus neck cleaner Kalkstirrer
Phosban 150 running .5 cups Rox carbon and .5 cups HC GFO
Was using Hydor inline heater, replaced with Eheim Jager to make sure that wasn't the issue. I took it apart it seemed fine.
Livestock:
Red Velevet Fairy Wrasse
Loubuki Fairy Wrasse
Exquisite Fairy Wrasse
2 Lyretail Anthias
Yellow Watchman Gobie
Water Parameters as of today:
SG 1.026 Refractometer (calibrated)
Ca 450 Salifert
Alk 7 Salifert
P04 0.05 Hanna checkker
NO3 0 API
Mag 1350 Seachem
Weekly 7 gallon water changes RODI/AV Salinity Salt
RODI TDS 1ppm (resin needs to be changed)
Dosing 10 ml vinegar daily
All LPS corals seem to be doing great.
There is a ponpae birdsnest at the bottom of the tank that seems to be doing fine along with a piece of grape cap that seems fine as well. Most other types of hard coral seems to brown over a couple weeks time and then STN/RTN.
Seeing what appears to be burnt tips and tissue necrosis around bases
Very little algae in the display. Cheato seems to grow well in fuge.
Like I said I've kept SPS for 10 years never have I had an issue like this. I've even had better luck with SPS in a 29 biocube than this money pit.
Frustrating.
:headwally::headwally::headwally: