Does anyone use any of the Hanna Instruments Checkers? These small instruments are for testing a selection of water parameters. They eliminate the need for colour matching against a chart. Technically, they are known as photometers and can measure phosphate, iron, nitrite, copper...
Hanna Instruments recently started selling a $50 colorimeter for measuring nitrates in saltwater aquariums: Hanna Instruments Link
Does anyone know a reason why this wouldn't work for testing our freshwater aquariums?
I understand this is a bit overkill, but I have always been interested in...
I'm looking at the Hanna Iron Test kits. I see there are a few options.
Which one will get the job done? For instance, I see : https://tinyurl.com/sffzb4j and I see https://tinyurl.com/yx54hb8x
I don't need anything fancy, but I would like to use something like this...
I'm getting back into the hobby after a lot of years, and am wondering what the best stuff is for testing these days.
I know I'm going to want to test for specific stuff.
I have a pH meter and a refractometer already. I'm thinking I'm not gonna bother...
Hi all, nOOb to this site. Appreciate the wealth of info here.
I use Hanna Colorimeters for testing on my saltwater tank. Does anyone have experience using the Hanna instruments on freshwater.
I am thinking about the following:
Ammonia Low Range HI700 $50
Nitrite Low Range HI707 $60...