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#1
12-12-2012, 02:42 AM
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Ro/di water. It has been a while but i have read Myaka's guide along with most of the guides out there. For some reason I was expecting that the end of the detrius being pushed out of the rock would be the end of the cooking. I was surprised to see the nitrate issue. As far as I know live rock can't store or leech nitrate so I don't really understand where the nitrate is coming from. Its nice to know it is normal but it would help if I had some idea of where the nitrates are coming from in this situation.
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72g bowfront, t5. 29g JBJ nano cube, ATI 26HD. Livestock: clown fish, chromis, coral beauty. Corals: Toadstool, maze brain, candy cane, mushrooms (purple & green hairy), button polyps, green zoas, GSP. 
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#2
12-12-2012, 03:03 AM
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Nitrates are from the organic material on the rock decomposing. Having the exact same reading after 8 weeks and doing weekly water changes is possible but it could also be that you have a bad test kit. Try testing your ro water with the kit, it should not have any reading what so ever.
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#3
12-12-2012, 03:13 AM
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I had the same results with the old test kit, new test kit is only two weeks old.
This week I actually tested my ro/di water and tested it again after mixing my salt for 24 hours for doing the w/c on my display last night. Both read 0. I just tested phosphate in the cooking tub to be zero with a hagen and api test kit. What I don't understand is that if there is organic matter being turned into nitrate, should the rock not be spitting out detrius?
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72g bowfront, t5. 29g JBJ nano cube, ATI 26HD. Livestock: clown fish, chromis, coral beauty. Corals: Toadstool, maze brain, candy cane, mushrooms (purple & green hairy), button polyps, green zoas, GSP.
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#4
12-12-2012, 03:22 AM
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Okay, I just checked nitrate with an older hagen test kit and it reads 20.
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72g bowfront, t5. 29g JBJ nano cube, ATI 26HD. Livestock: clown fish, chromis, coral beauty. Corals: Toadstool, maze brain, candy cane, mushrooms (purple & green hairy), button polyps, green zoas, GSP.
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#5
12-12-2012, 03:34 AM
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The solution to nitrate is dilution. How much water are changing each week? You may have to do a 100% water change and then start doing daily water changes for awhile. After a week of this check it again. Sometimes it just takes awhile but it will eventually work out for you.
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#6
12-12-2012, 03:43 AM
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100% w/c every week for the last 8 weeks
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72g bowfront, t5. 29g JBJ nano cube, ATI 26HD. Livestock: clown fish, chromis, coral beauty. Corals: Toadstool, maze brain, candy cane, mushrooms (purple & green hairy), button polyps, green zoas, GSP.
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#7
12-12-2012, 03:45 AM
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I don't hold much faith in hagen test kits, and I haven't had good luck with api
You may get better results from salifert, red sea or elos
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#8
12-20-2012, 03:20 AM
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I think with 3 seperate test kits all giving my the same results its safe to say the nitrates go from 0 to 15ppm in 7 days.
Another week has gone by with the same results. I would have thought by now that I would at least be seeing a reduction in the amount of nitrate I am reading. Any other suggestions?
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72g bowfront, t5. 29g JBJ nano cube, ATI 26HD. Livestock: clown fish, chromis, coral beauty. Corals: Toadstool, maze brain, candy cane, mushrooms (purple & green hairy), button polyps, green zoas, GSP.
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