Regulator Needle Valve?

[Paks]

So I plan to have this kind of regulator, next year, Professional Aquarium CO2 Dual Stage Regulator and Solenoid Magnetic Valve. But there's a section for what needle valve to choose, standard or precision smc. Since i don't have any idea what are these things all about, can you guys at least enlighten me with the difference between the two aside by paying another 10pound if i choose the precision smc. I'm planning to buy my complete co2 system next year, as of now im searching what and which to buy.

 

[Andy Thurston]

The smc needle valve gives you greater precision when adjusting co2 levels and it is particularly useful with smaller tanks <100l
The choice is yours but the extra £10 is money well spent unless you have a huge tank

 

[Miroslav]

The smc needle valve gives you greater precision when adjusting co2 levels and it is particularly useful with smaller tanks <100l
The choice is yours but the extra £10 is money well spent unless you have a huge tank

Hello,

Thank you very much for the help.

Yes the above information is correct.