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Reviewed in the United States on October 11, 2024
Has great noticeable color to it
cito
Reviewed in the United States on August 18, 2021
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Tommy
Reviewed in the United States on August 27, 2020
I use and like NilocG fertilizers so decided to try their CO2 drop checker solution, I'm disappointed and will most likely try a different brand after this.First, the solution wasn't sealed and leaked during shipping. I was going to exchange it but since there's still ~90% left, decided to just keep and use it. I thought the rest of the bottle should last me some time, but I was wrong. This solution is light so you'll have to use more in the checker. Then it looses its color intensity in a few days, and in a week or so turns completely clear and useless. All the other brands I've used previously have no problem maintaining its color intensity until my drop checker is covered in algae and had to be taken out for cleaning (every 6-8 weeks). Those solutions never turns clear like this one does.
Ronnie
Reviewed in the United States on July 27, 2020
Great product. Works as it should, and the bottle has quite a bit more solution compared to other brands. No mixing or guessing, just put it straight into your CO2 Drop checker and into the tank and you're good to go!
kirt johnson
Reviewed in the United States on March 30, 2020
it was easy to set it up and now I can see I was not doing nearly enough co2thanks
Evil
Reviewed in the United States on June 6, 2019
No more trying to guess if my aquarium water is working with drops from the stuff that came with the drop checker. This is so much easier to use and I feel like I'm getting a more accurate reading.
USyeancek
Reviewed in the United States on March 5, 2019
An absolute must for serious aquarium lovers. It not only makes tracking co2 level super easy, but by implication, it also assures you of the PH level and KH level. Having green color means all the three readings: co2, pH and kh, are at optimum level.With this indicator, I no longer have to measure pH and KH all the time with different products. Brilliant!
Patrick G.
Reviewed in the United States on November 28, 2019
You should add to the instructions to shake the bottle before use. My first reading without shaking the bottle was inaccurate. It stayed blue even if I raised the CO2. After shaking the bottle and refilling the drop checker, the second reading was accurate.
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