phosphate checker

Purchased new about a year ago still in very good condition. Comes with 23 test packs, 1 test tube and instructions as pictured (no box). $35 shipped

I have been carbon dosing my tank to lower my nitrate levels and would test phosphate with the API tester which I leant for all intents and purposes is useless so I bought the salifert phosphate kit and it is showing 0 phosphates. It seems like my nitrates are not going down anymore and I think...

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...

Looking to buy the Hanna Phosphate ULR and nitrate testers, and might also be interested in a package deal if anyone is trying to offload them. Shipping would be to 39531. Let me know what you have!

Hanna phosphate tester for sale. $40 shipped to lower 48. I used it yesterday and it works. 10 reagents included expiring in 06/25. Only 1 test tube and cap included. Please see picture for actual item.

This is a 1 week old Hanna Checker - LR Phosphate - used 2 times only. Comes with 3 packs of reagent and original box, battery, 2 vials. Asking 50. Can ship at owners cost. Have purchase receipt of Mar 9th 2023.

I have a 75gallon tank set up for about 2 years. sump has live rock, and so does the tank. Nyos120 skimmer tht only skims less than 1/2 the cup like every 10 days before I clean cup. growing Cheato. Using filter floss I clean every week or so. Refugium light is on for 8hrs and use Rodi water...

Nearly new only used a few times. Purchased from BRS 9/14/22. Selling because I prefer the ULR tester. Comes with 23 new reagent packs (new only comes with 6). The curvets are brand new unsed. $45 picked up in San Francisco or $55 shipped. Thank you

Hanna Phosphate Low Range Checker HI713 model w/case, new box of 25 reagent packs, 2 cuvettes & instructions. $45 shipped

Looking to buy specific Hanna checkers. Looking for a high nitrate hanna tester as well as a low phosphate. Located in Richmond area for shipping costs

So I just realize now that I’m down to a couple and needed to reorder I’ve been using the wrong solution with my Phosphorous ULT tester. I’ve been using the regent for the Phosphate ULR. Any ideas how far off my readings would be by making this stupid mistake?

At Marine Depot, we love to test our systems with Hanna Instruments Checkers. Within this video we provide a quick and easy step-by-step guide on how to use the Hanna Phosphate Checker. Shop our Hanna Instruments offerings HERE and don't hesitate to reach out to our customer care team with any...

One never used Hanna Phosphate Checker (HI713) and 50 tests. $25 plus whatever shipping method you prefer unless Boston area handoff. One barely used Hanna ULR Phosphate Checker (HI774) and 50 tests. $40 plus whatever shipping method you prefer unless Boston area handoff. Payment by Venmo...