Where to get a flow meter for cal. reactor?

[little_d]

Where can I find a flow meter for my calcium reactor and which model would work?

Thanks

 

[edandsandy]

We have a GEO 618 CR and we purchased ours at:

http://www.coleparmer.com/catalog/product_view.asp?sku=0323013

I absolutly LOVE it.
No more measuring effulent!