- 30-day returns on unused items
- Authentic brands from official distributors
Details
Track CO2 levels in your planted freshwater aquarium over a 24-hour period with a simple color-based indicator.
- 10 ml of blue indicator fluid included
- Color scale reads CO2 based on dKH
- Tracks CO2 and pH changes over 24 hours
- Compact, clear design that won't clutter tanks
- Strong suction cup for placement at any water level
Who it's for: Aquarium owners with planted freshwater tanks who want steady CO2 monitoring without complicated test kits.
Key benefits
- Monitor CO2 levels over a full 24 hours
- Read results quickly from a color scale
- Keep an eye on pH changes in your tank
- Hang a compact indicator without cluttering the aquarium
How to use
Ingredients
Our Policies
Unused items in their original packaging can be returned within 30 days of delivery.
US orders over $75 ship free; below that, shipping is $9.99. Other countries see the rate at checkout. If customs charges you on delivery, send us the receipt and we refund it.
You can return unused items in their original packaging within 30 days of delivery. Opened cosmetics can't come back for a change of mind, but we always replace or refund items that arrive damaged, defective or wrong.
Skip, pause or cancel anytime from your account. There's no minimum number of orders and no cancellation fee, and we email you before each renewal.
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