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test kit

  1. Asher E.

    Hanna co2 test not working

    I got a Hanna co2 test and I can’t get it to work right. I added 10ml of water to the container, 1 drop of the indicator liquid, the water was still clear, and then I filled the syringe with the solution liquid, put the tip on the syringe, added drops from it into the 10ml of water, and i kept...
  2. Naturescapes_Rocco

    Resource Hanna CO2 Test Kit: My experience so far (and why you're probably not starting CO2 injection early enough)!

    The 2hrAquarist legend Dennis Wong tested the Hanna Test Kit vs a $3,000+ CO2 testing device and found accurate results in low kH aquasoil based tanks when compared. $30 for CO2 readings vs $3,000+! It's a simple kit that comes with simple instructions, two differently sized vials for different...
  3. A

    Fairly accurate measurement of CO2 concentration

    If anyone wants to know more accurate CO2 concentration in their aquarium, I recommend the Carbon Dioxide Chemical Test Kit [Hanna HI3818] (hannainst.com/hi3818-100-carbon-dioxide-test-kit-reagents-110-tests.html), which should be similarly accurate to the professional CO2 meter OxyGuard (which...
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