Proper Chelated Copper Concentration - 2.5mg/l or 5mg/l??

[JonF]

Hi All, I am treating in a quarantine tank for velvet. I purchased Kordon copper aid. The active ingredient is chelated copper sulfate. I am trying to figure out the proper dosage. I read varying opinions - most opinions are 5 mg/l. However, i have seen 2.5mg/l recommended, and other values. I have a Salifert test kit. What is the proper concentration and duration of treatment please. I have an angel, 3 tangs and 2 clowns. Thank you.

 

[JonF]

anyone? Thanks. I note that most RC posts have a target mg/l... whereas my copper aid tells me to just add 5ml/4 gallons... but that produced a very low level of copper in the tank.

 

[ThRoewer]

I wouldn't use copper to fight velvet - it's not reliable enough against that parasite.

Chloroquine Phosphate (NLS Ick-Shield) would be the better choice.

 

[JonF]

thanks - I am almost done with a 2 week copper course. I am thinking to finish that course (3 weeks) and then goto CP - does that sound like a good plan? I have a 2 months remaining on my fallow DT as i am waiting to let the ich/velvet/etc die out there.