Planted aquaria supplies and equipment / CO2 Systems, refills and diffusers / CO2 Level Indicator Reagent Liquid Refill 15mL

Item # CO2/R

• Use about 15 drops each time or an amount to suit your drop checker
• Indicator fluid should be replaced every 4 to 6 weeks in order for the drop checker to work properly.
• Replace the fluid at the latest when it starts losing color and turns more transparent.

AU$8.90