hanna copper

jose hernandez

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so i decided to test again for copper it reads 0.10 using the hanna some mentioned my pumps i currently have mp40s but just cleaned them a week ago i do keep my flipper scraper in the tank as well as my 2 little fishes magnetic seaweed clip i took the flipper and seaweed clip out do i need to worry i lost a mini colony of sps but thinking it was more my nutrients and t5 fixture which i just added 2 go with my leds
 
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Saltyreef

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so i decided to test again for copper it reads 0.10 using the hanna some mentioned my pumps i currently have mp40s but just cleaned them a week ago i do keep my flipper scraper in the tank as well as my 2 little fishes magnetic seaweed clip i took the flipper and seaweed clip out do i need to worry i lost a mini colony of sps but thinking it was more my nutrients and t5 fixture which i just added 2 go with my leds
Its a resolution error.

Read through this thread as I got some replies from the OG's regarding my issue with the HR reader reading unmedicated tank water.

 
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Randy Holmes-Farley

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The Hanna is unsuitable for measuring copper in a normal reef tank (IMO). It is fine for measuring therapeutic levels when medicating a fish, but not verifying low levels for reef suitability.

Some folks have "observed" copper at levels similar to yours, but see none by ICP.
 

Randy Holmes-Farley

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As far as my trace elements having copper do I. Need to worry?

You have no useful evidence of elevated copper, and the amount in good commercial additives is too low to ever be a problem on their own. Thus, the answer is: there is no reason to be concerned.
 
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zheka757

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I "accidently" measured my display tanks water and not my quarantines, and surprisingly I got a .35ppm using hanna checker. is that high for reef tank? observing my tank i see no problems in corals, shrimps, snails...
 
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Randy Holmes-Farley

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I "accidently" measured my display tanks water and not my quarantines, and surprisingly I got a .35ppm using hanna checker. is that high for reef tank? observing my tank i see no problems in corals, shrimps, snails...

As noted above, that is almost certainly not accurate. I’d totally ignore it.
 

Polyp polynomial: How many heads do you start with when buying zoas?

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