Co2 Tester is designed to indicate the CO2 amount diluted within the water with color change of the reagent inside, in order to understand the proper amount of CO2 supply.
Can Long Term used
Prevent the CO2 become too high make the aquarium live danger
Easily judge the proper CO2 supply by the color of reagent with color test card.
Does what it needs to. Make sure you move the checker around in your tank to get readings from different areas as some spots in tank don't get as much circulation
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Max ゲストon29 １２月 2011, 6:54 PM
Superb!
Very easy to use and I have one in all of my aquariums.
Best buy really. I suggest gettin a smaller sucktion cup :)
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alan ゲストon23 ２月 2011, 3:14 PM
good for the price
recommended for the price and what you get
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dkukanja ゲストon23 ８月 2010, 8:06 AM
recommended
easy to use, great price, fast shipping.
would be nice if there si syringe in complet to fill these one...
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Alvydas ゲストon1 ４月 2010, 9:18 AM
good price
Good price
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pampa1 ゲストon17 ６月 2009, 11:41 AM
great value
great value
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jervius ゲストon25 ５月 2009, 1:03 PM
Difficult to use
Hard to place indicator liquid and water into drop checker and difficult to remove same for cleaning
