Nitrate high and one fish dying

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Daviddes

Aquarium Advice Apprentice
Joined
May 18, 2013
Messages
29
My Nitrate is at 40 and one of my fish is looking really sick, almost dead.
I usually get water from local shop but it's shut for the next 2 days.
I need ideas on getting the nitrate down.
 
Do you keep salt on hand for such emergency ?
 
Salinity is high as well, everything happens at once :(
Tank is approx 370L including sump, I've changed out 15L with fresh water to bring down salinity and nitrate.
Going to check in a couple of hour if it's improving ill do another 15L, small changes over a couple of days should work.
 
Buy yourself an ro unit for christmas. IMO anyone seriously considering salt water tanks its essential to have one. Youll save money in the long run and your tank and fish will thank you for the extra fresh water youd would be able to change.
 
Update on tank, everything is good again.
May have lost a yellow goby, unless he is hiding only time will tell.
 
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