Salinity 911

My normally stable 1.026 salinity has plunged to 1.024. The change has occured within the last month. Can I assume that this is due to increased top off water because of the summer heat? How can I safely raise the salinity back to 1.026? I have already noticed some ill effects with several corals. It is...

it’s not a bristle worm, what is it?

For the last few weeks, on the glass I see what look like very thin skinny white worms. They’re almost translucent, and they’re snake like in that they look like a billion switchbacks. They’re maybe 2 or 3 inches on the glass, but if you pulled on both ends, they probably would stretch to 6 inches...