Say what you want about needle-wheel skimmers. They are efficient at producing bubbles but what if you want to inject something other then bubbles? Mazzei venturis are a great choice because they allow you to inject any liquid or gas…
Say what you want about needle-wheel skimmers. They are efficient at producing bubbles but what if you want to inject something other then bubbles? Mazzei venturis are a great choice because they allow you to inject any liquid or gas…