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    Glass Drop-Checker CO2 Indicator for Planted Aquariums Easy to Hang Use with PH Reagent Solution Compact Size, 6cm

    $5.59

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    About this item

  • ¡ï This is a very nice tiny Co2 Glass Monitor. Made of quality glass.
  • ¡ï Specially for pressurized CO2 system plants for tank.
  • ¡ï Used to test and monitor the concentrate of the aquarium water plants fish for tank.
  • ¡ï No suction cups required. Simply hang it on the edge of your planted aquarium.
  • ¡ï Easy maintenance, since it is not under water, it won'for t grow algae on the glass.