I have been using needle valves like this compact plastic needle valve for my calcium reactor, but after awhile they start to get clogged.
http://www.mcmaster.com/#flow-control-needle-valves/=knghbx
Has anyone found a better needle valve? These are kind of pricey too.
http://www.mcmaster.com/#flow-control-needle-valves/=knghbx
Has anyone found a better needle valve? These are kind of pricey too.