its imgaitarium, petco brand, i have tested along side other test kits to verify my kit, its good, the nitrite is accurate tank is about aa month old and still cycling, i already knew the cause for that, i am more concenred with how to drop that super high ph, what i keep in the tank needs the ph to go down some, 6.5 to 7.0 is where i am trying to get it.
and nitrie being non-toxic to marine fish my experinice says that is inccorect, about 8 months after i first set up a salt tank i had a nitirte spike, it was the only thing that spiked in my tank and it killed all my clowns, so that is for sure inccorrect info.
that being said, if you read up top you will see yes i did put salt in the tank as an attempt to solve a diffrent issue with sickness, the sickness was solved.
here in a bit when i get woke up i am going to start moving the fish in that tank to a diffrent tank thats been set up a long time and recently came mostly open to new fish.