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ISTA CO2 Indicator All Angle View

ISTA CO2 Indicator All Angle View

  • Made of sturdy plastic
  • Facilitates easy determination of the CO2 content
  • Visually very appealing
  • With indicator solution
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CO2 Drop Checkers are used for long-term monitoring of the CO2 levels in the aquarium. A CO2 reagent is filled into those CO2 Drop Checkers and will change the color according to the amount of dissolved CO2 in the aquarium water. Green will indicate a proper CO2 value, yellow will indicate to much CO2 and blue will show not enough CO2.

The indicator solution turns green at approx. 20-25 mg/l of CO2.


  • White suction cup included
  • Easy to read by white background
  • With indicator solution


ISTA - CO2 Indicator - All Angle View
Height 46 mm
Diameter (bottom) 28 mm



Producer of innovative high quality Products with special interest in aquascaping, aquatic plants and shrimps. ISTA products offer a wide range of products with a very good value for money.

General information

Item no.
EAN 4719856836904
Weight 0,05 kg
Shipping weight 0,15 kg

Customer reviews

This item has been rated 4.5 out of 5 stars
4 Reviews
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5 Stars(3)
4 Stars(0)
3 Stars(1)
2 Stars(0)
1 Star(0)
Johann S.
Bedingt empfehlenswert
26th October 2018

Das Teil an sich ist sehr gut. Die mitgelieferte Messflüssigkeit zeigt nur blau an egal wieviel CO2 ich dosiere darum nur bedingt empfehlenswert.

Jessica B.
TOP Co2-Dauertest - sehr leicht ablesbar
28th August 2017

Da ich auf 1 Auge fast blind bin, kann ich schlecht sehen. Der weiße Kontrast hier beim Co2-Dauertest von ISTA ist super ablesbar und man kann ihn super befüllen! (read more)

Gerd Q.
sehr gut
14th June 2017

Kundendienst ist super und hilfreich.Schnelle Lieferung.

Alles super.Wenn du Fragen hast werden schnell beantwordet.

Zum messen von CO² besser als Dennerle gut sichtbar.

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