CO2 reduktor pro akvárium se solenoidovým ventilem a počítadlem bublinek TC Technic

A CO2 reducer with bubble counter and electromagnetic valve for precise CO2 dosing in planted aquariums.

• The description claims the product ensures controlled CO2 dosing for aquatic plant health.
• The description claims the built-in bubble counter provides accurate CO2 measurement.
• The description claims the electromagnetic valve allows automatic CO2 supply control, potentially saving gas and maintaining tank balance.