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My birthday is coming up and i think i am going to ask my mom for a master test kit. Which is the best test kit in your opinion? I looked around online and I could not find any kits with a CO2 test. Thanks so much in advance for your help!

As far as I know no Master Test Kit includes a CO2 test, and if you have a pH test and KH test you can calculate the concentration of CO2 anyway.

I use the Aquarium Pharmaceuticals test kits, and their master test kit includes tests for ammonia, nitrites, nitrates, low range pH and high range pH. What I like about them is mainly the ammonia test kit which uses salicylate reagents and not nessler reagents which is more accruate and gives accurate results if you use ammonia detoxifiers (prime, amquel, ammo-lock, etc) and that their test tubes have tight caps which means nothing spill when you shake them.

For KH and GH I use the hagen test kits. I like them because they give their results in ppm and not degress, which is a little more accurate.

However, you can look around on the net to see what different tests other master test kits include and maybe choose one which has your favourite tests.

Hi,
I use the Aquarium Pharmaceuticals "Freshwater Master Test
Kit." It tests pH, Ammonia, Nitrite, GH, and KH. Because
I have plants, I also purchased the kit to test Nitrates.

With regard to the GH and KH readings unlike "Untitiled"
I prefer to keep things simple, with these test kits,
one drop = 1 degree. That's plenty accurate enough for
our use and if you want to convert degrees to parts per
million, simply multiply the degrees times 17.9.
1DGH=17.9PPM.

There are ways to test for Oxygen and Carbon Dioxide in
the water, but they are far too expensive for normal use.
The best way to find out how much CO2 is in any given tank
is to simply measure the pH and KH of the tank and then
simply "look" at a chart, such as this:
http://www.csd.net/~cgadd/aqua/art_plant_co2chart.htm

Simply keep your readings in the "green" area.

Frank


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