1) Co2 tank. 3 kg ones is enough for you. Can last months to a year.
2) Electric Solenoid.
3) Timer to start/stop your item 2)
4) bubble counter..to regulate the co2 input.
5) tubings.
6) Co2 ceramic diffuser. To be placed inside the tank to diffuse the co2 into many tiny bubbles.
and wala....you are ready to start pumping.
Get from NA...good value for money.
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