drip knob clogging?

[num54]

Ive got an issue where my calcium reactor drip knob is clogging.I have cleaned it and it has occured again any sugestions? thanks in advance.

 

[LegoZ81]

so this is on the effluent side of the reactor? I'd prefilter the feed water to the reactor and also put the valve close to the output of the reactor and far from the end of the tube.

 

[num54]

Yes it is on influent side and what do u mean by ( also put the valve close to the output of the reactor and far from the end of the tube.)Thanks for the advise