hannachecker

Almost Brand New Just needs new reagent, then its good to go. I just switched to Salifert as it’s easier to use and more accurate $40 pickup $45 Shipped 19114

Hi all, was wondering if anyone could share any tips on how they remove phosphates from their evo’s? I’m currently sitting at 0.21ppm! I’m running a table spoon of rowaphos in chamber 1 and doing 10% weekly water changes with ro/di water from my lfs which tested 0.02ppm for phosphate...

I have 4 Hanna Checkers for sale. I have had them for a few months and I don’t use them as much as I thought I would in favor of going to the fish store to get my water tested. They were all used a few times but have all parts including the boxes and some have the sleeves. They are $50 each...

Back when I was testing more regularly I bought a Taylor SpeedStir portable magnetic stirrer for use with my Red Sea titration tests. Even with a smaller 15mm stir bar I had to make sure the cuvette was absolutely centered or the bar would just bounce off of the sides and get stuck. It was a bit...