salinity low

Hi everyone, i am new to this saltwater fish tank hobby. I am also new to this forum. I would like to get some advice and help on how to raise my salinity. Currently my salinity is reading at 1.022. I have two damsel fish, live rock and sand. I have a picture of my tank on my profile. I would...

I was wondering if low salinity affects coral growth? My corals aren't getting any bigger. Could a low salinity be contributing? My salinity is 1.022, should I raise it?

I have a 10 gal nano saltwater tank. Recently I put a feather duster worm in the tank and I have no idea what went wrong but it died w/in 2 days and now my whole tank is going haywire. The Nitrite, Nitrates, Ph, and with doing all the water changes trying to fix it (which never helped it seems)...