nitrate checker

Looking for some Hanna checkers for my little nano reef adventure which has required tedious testing, and these salifert chemistry experiments aren’t any fun when I am doing them basically after every feeding! Plus my chalice are loosing tissue and I thinks it’s due to swings in alkalinity and...

I have the following Hanna Checkers that comes with pippete and 5ml tubes. Pickup 07087 or add $10 for shipping within the CONUS. Nitrate LR - $30 plenty of reagent left Nitrate HR - $40 plenty of reagent left sold Phosphate ULR-$30 expired reagent Alkalinity- $30 for one - expired reagent...

Hi everyone, my first thread so go easy on me! Now to provide a bit of context to the problem, I have a mixed reed and I know everyone says not to chase numbers - which I agree with. But if your tanks a few years old you can easily have PO4 at around 0.40ppm and Nitrates around 40ppm or even...

Hi guys, I’m selling my hannah checker NITRATE ULR plus extra reagents that hasn’t been opened I’ve used my checker less than 3 times, I switched to the HR for a quicker test, I don’t really chase low nitrates lvl for my tank

I am having huge discrepancies between my brand new Hanna HR Nitrate test and my Salifert Nitrate test. Both are very consistent...but which one is accurate?? Salifert was testing around 30ppm initially for 3 tests. Hanna tested 7.8ppm a few days ago at the same time as Salifert. I bought...

Need help with Red Sea nitrates results. I’m am leaning towards 20 but it can see some 50 In it. Any thoughts? All pictures from same results

Limited initial quantities. Pre-order yours today! SHOP NOW! The HI781 Nitrate Checker HC by Hanna Instruments is a simple and accurate handheld colorimeter that uses the Beer-Lambert principle to determine nitrate concentration. The HI781`s low range of 0.00 - 5.00 makes it ideal for measuring...