nitrate

So I've been running ozone for a year now and fairly dialed in but learned something yesterday that I was suspecting but couldn't confirm.. By day I also work in the retirement planning world and per usual I like to take advantage of some of the scientists I work with from around the world that...

I've been using nitrate and ammonia test kits, expired by a year and a half, almost 2 years. I thought all was ok, but after losing a blood fire shrimp in one night, I'm doubting it. Since I acid & bleach washed the rock, followed by biospira and then ammonia chloride to kickstart the cycle, I...

Has anyone ever had to dose nitrates?? If so what have you used I am going to experiment with KNO3 potassium nitrate. My nitrates are at zero due to alot of alge in my sump but my phosphates are high so I want to add nitrate to give stuff nitrate to grow and hopefully combat my phosphates at the...