hannahcheckers

Hello, I have always been using api testers and then upgraded to salifert. But I want to get a phosphate Hannah checkers. But on BRS they have 3 kind which are phosphate ultra low range PPM then the. Phosphate low range colorimeter, and the last one phosphorus ultra low range. I want to know...

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 looked for a previous question for this but could not find (maybe because it is common sense lol ): If I collect water yesterday for example, and test it the next day.. there really is no difference in parameters for the normal attributes? Is there some sort of shelf life for accuracy?

I have 3 mixed reef tanks with fish. 2 75 gallon and a 120 gallon. Tanks have been up and running between 1 and 3 years. The standard readings on my Apex Trident are all within range--Alk 9.52, Ca 514, Mg 1335, ORP 422, pH 8.02, Salt 35.8 and temp at 78. I ordered the Hannah Checker Nitrite ULR...

Hi so I have a pretty new tank, only 5 months old about, and I have two things I am questioning. First, I had somewhat high phosphates in July they were about .48, and my nitrates have never been higher than 6ppm on my Red Sea test kit. But I have a lot of green hair algae, which I thought came...

I ran out of RO water cleaning my tank and was wandering if I could run it under tap to clean off all the salt water. Thanks in advance!