nitrate affecting nitrate test

I've heard of this happening quite a bit in the hobby; however, this is the first time I've experienced this myself, and I understand the frustration and confusion since we all strive for stability and consistency in this hobby. I did my water test yesterday on my Hanna Marine Master...

1st test - 13th oct was 1.1ppm (hanna nitrate HR) 2nd test - 27th oct was 0.1ppm (hanna nitrate HR) I haven't done any water changes, no carbon in sock, skimmer has not been running. I even added 5 new fish after reading 1.1ppm. Have also been heavy feeding and using reef energy plus. Any...

I’ve recently started my own 100L nano reef & I’ve been cycling my tank (fishless) for about three weeks now and today I had my water tested by my local aquarium shop. He was testing all the nitrates and instantly the colour changed to detect it in my water instead of showing up after 5 minutes...

Hi people, I am currently cycling a Redsea Reefer 525XL, I threw a few raw prawns in the tank for a few days until I tested for ammonia and while waiting for Dr Tims ammonia to arrive. I then dosed the tank with ammmonia and Dr Tims Bacteria, I applied three doses of ammonia, dosed to ~4ppm as...