Great product works great for reading co2 levels in my planted tank

Great product works great for reading co2 levels in my planted tank  Read Less

I am very happy with this purchase

I am very happy with this purchase  Read Less

You place the indicator on the inside of the tank and then you have to apply the reusable sticker with the yellow green and blu...  Read More

You place the indicator on the inside of the tank and then you have to apply the reusable sticker with the yellow green and blue colors on the outside of the tank  Read Less

It comes with the dkh solution and the colored disk you see in the picture is a peelable sticker that goes on the outside glass...  Read More

It comes with the dkh solution and the colored disk you see in the picture is a peelable sticker that goes on the outside glass easily removed and moved wherever yoou want it  Read Less

I have a fluval drop checker on my other ten gallon tank and i think i can read the ista drop checker much easier than the fluval

I have a fluval drop checker on my other ten gallon tank and i think i can read the ista drop checker much easier than the fluval  Read Less

Works very well much better than the coneshaped fluval one

Works very well much better than the coneshaped fluval one  Read Less