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Old 04-17-2011, 06:32 AM   #1
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help with test results

OK, this is my first time dealing with bad results (other than when I cycled) so I'm not quite sure what to do.

I just re-aquascaped including changing the substrate so I am sure that is what caused this.

Ammonia: 0.5
Nitrite: 0.5
Nitrate: 20

I did a 20% PWC about 7 hours ago. Do I just keep doing daily PWC until the numbers are right? (my API test kit booklet says ammo-lock and stress zyme to treat ammonia and nitrite? - any experience there?)

Also, the SG in my tank was 1.025. I mixed some saltwater at 1.024 (to try to bring it down a little.. slowly). I end up with 1.026 in the tank. This is the SECOND time this has happened (getting a higher combined reading when mixing tank salt and mixed salt). What is up with this?

Thanks in advance.
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Old 04-17-2011, 09:23 AM   #2
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just keep doing water changes
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Old 04-17-2011, 12:24 PM   #3
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Keep doing PWC's. Are you using a refractometer for the SG readings? If not, get one, or calibrate the one you have.
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Old 04-17-2011, 02:15 PM   #4
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Dont forget you need to use RO/DI for top up as well as pwc.
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Old 04-17-2011, 07:21 PM   #5
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I am using a refractometer, and I just calibrated it because it's new (used calibrating fluid). I'm thinking I might have salt creep getting back into the water or something.

I will do another PWC tonight.
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Old 04-18-2011, 05:09 AM   #6
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You are using RODI for your water top off, right?
A reef tank should be maintained at 1.025-1.026.
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Old 04-18-2011, 06:56 AM   #7
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I use freshwater for topoff. Tap water treated with Prime.
I don't have a reef though, just fish only.

I'm looking at getting an RO/DI unit.. but at the moment I don't want to be lugging jugs back and forth from the LFS.
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Old 04-18-2011, 09:33 PM   #8
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Ammonia: 0.25
Nitrite: 1
Nitrate: 20
kH: 11
pH: 8.2

I think i am going through a mini mini cycle (ammonia went down, nitrites went up) since I did the substrate change.

I really really dislike my level of nitrites with livestock in the tank.

What sucks is I've used up all of my salt and can't do a pwc tonight. It'll have to wait till tomorrow morning.
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Old 04-18-2011, 11:33 PM   #9
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maybe try an even lower SG level in the new water. This is just a guess but, the problem MAY be that your evaporation rate is super high, thus your SG remains high, maybe try to use 7% SW + 3% FW for your next 10% PWC. That might lower the SG more

how are your fishes doing?
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Old 04-18-2011, 11:37 PM   #10
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Also, just as a warning, don't buy ammo-lock and stresszyme probably won't help you either. API is just trying to sell you their stuff.
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