CP measurement

[mvm]

I need to treat a 10 gallon. Can anyone guide me towards the best scale to use to measure the cp. Can I pick up one from target or Walmart?

 

[melypr1985]

seems like you need something that measures in milligrams. When your searching, look for that specifically.

 

[Humblefish]

This is the one I use: http://www.amazon.com/American-Weigh-GEMINI-20-Portable-MilliGram/dp/B0012TDNAM

 

[mvm]

Thanks. Bought that one.