ZRDR Aquarium Co2 System 2L with Pressure Gauge Automatic Pressure Relief Valve Bubble Counter for Aquarium Plants,Stable Output
- [Low Cost] You only need citric acid, baking soda, and water which are available in supermarkets. When the gas in the bottle runs out, you only need to purchase the material again.
- [Quality service] ZRDR is a customer-centric brand. Years of customer feedback make us professional provider of aquarium products..