ZRDR Co2 Generator System 2L with Pressure Gauge Automatic Pressure Relief Valve Bubble Counter for Aquarium Plants，Stable Output Sent…

Description

Professional Factory – We are a manufacturer specializing in aquarium co2 systems. Our co2 generator for aquarium plants is made of 304 stainless steel, far better than a simple plastic bottle generator, more durable, stable, safe, and high pressure resistant High Capacity and Safe First – You could add more material: Citric acid 400g + baking soda 400 + water 600g. The capacity is twice that of an ordinary 2L bottle and half of 4L! An automatic pressure relief valve, when the pressure of the in