copper

[jose hernandez]

so a friend of mines gave me a hanna high range copper test kit so me bein me decided to test for copper and it gave me a reading of 0.02 tank is a 200 gallon mixed reef with fish do i need to worry?

 

[Tamberav]

Hobby grade kit… not that accurate..

Accuracy - ±0.05 ppm ±5% of reading @ 25°C/77°F

I would check magnets and pumps though. Everything look happy?

 

[jose hernandez]

Everything looks good I took out my algae scrapper and seaweed clip figure it was that

 

[taricha]

as @Tamberav said, that's indistinguishable from zero with that test and that uncertainty.
Treat it like zero, not like there's a small amount of copper to be hunted down.

 

[exnisstech]

I wouldn't look for problems or you'll find them whether they're real or not.

 

[Randy Holmes-Farley Verified Community Expert]

Just to pile on, the Hanna copper checker is suitable for medicating, but not ensuring there is low enough copper in a reef tank. A number of folks who got this sort of result did not see detectable copper by ICP.

 

[jose hernandez]

k thnks