Aquarium DIY CO2 Generator System Kit with Pressure Air Flow Adjustment Water

Aquarium DIY CO2 Generator System Kit with Pressure Air Flow Adjustment Water Plant Fish Tank Aquarium Co2 Valve Hot Sal

Product description:
Brand new and high quality
easy to set up
CO2 system is designed for low cost planted tank use.
What do you need to prepare for this systems?
below(not included)
2 x 2 Litre of Coka Cola plastic bottle
1 x 200g of Citric acid or 200ml of vinegar
1 x 200g of baking soda
Tips to install:
the bottle must be carbonated beverage bottle, do not use pulpy, green tea, mineral water bottles, etc.
trimming valve regulation avoid by sudden big or small, can't suddenly turn up, after immediately shut down again, so as not to cause abnormal pressure to the bottle.
Note: Make sure carefully observe the direction of the parts before assembly. The usual wrong handle way will cause abnormal reaction components as follow: the contrary direction of the check valve and fine-tuning in the direct.
DIY AQUARIUM CO2 SYSTEM REGULAR KIT
 

1 x Needle valve
1 x Pressure gauge
2 x Bottle caps
1 x CO2 tubing