Hydrometer are horrible and rarely show the real salinity. YOu need to buy a good refractometer. Those on ebay with ATC (auto temperature compensation) are cheap and good.
I suspect either your salinity or water quality is way off or your acclimatation was too drastic.
Quote:
Originally Posted by klee888
Hi everyone, I have a bio cube 29 cycled for about 2 months with live rock and live sand first crew introduced yesterday and they all seem to have expired. Ph is 8.3 salinity is within the hydro meters norm. Checked nitrates and nitrites and are all showing 0 or near 0. What could have happened?
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