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Free standard shipping on orders over $99
Terms and Conditions Apply!
We can ship to any address in Australia and New Zealand. Note that there are restrictions on some products, and some products cannot be shipped to some locations.
When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider, shipping date estimates may appear on the shipping quotes page.
Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full kilo.
The Dymax CO₂ Indicator Solution is a precise and reliable tool designed to help aquarium hobbyists monitor CO₂ levels in planted tanks. By producing a visible color change in response to CO₂ concentration, it allows for easy, accurate assessment of whether your aquarium’s CO₂ levels are optimal for plant growth. This 10 mL solution is compact and long-lasting, making it ideal for both beginners and experienced aquarists.
Accurate CO₂ Monitoring: Reacts to CO₂ levels, changing color to indicate whether concentrations are low, optimal, or high.
Compact 10 mL Bottle: Provides enough solution for multiple tests while remaining easy to store and handle.
Safe and Non-Toxic: Formulated to be safe for aquatic plants, fish, and invertebrates when used as directed.
Easy-to-Use: Simple procedure allows for quick testing without complicated equipment.
Supports Healthy Plant Growth: Helps ensure optimal CO₂ levels, promoting vibrant, lush aquarium plants.
Add the recommended number of drops of the indicator solution to your CO₂ test chamber or drop checker.
Fill the test chamber with aquarium water or a suitable reference fluid.
Observe the color change to determine CO₂ levels: adjust CO₂ injection if necessary to maintain optimal plant growth.
Replace the solution periodically to ensure accurate readings.
Ideal for planted aquariums where CO₂ supplementation is used.
Use alongside a CO₂ regulator or diffuser for precise control of CO₂ levels.
Regular monitoring helps prevent CO₂ deficiencies or excesses, maintaining a healthy, thriving planted aquarium.
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