My water parameters seem odd? High Nitrate in shrimp tank, no KH in main. - The Planted Tank Forum
 
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post #1 of 4 (permalink) Old 11-07-2011, 08:05 AM Thread Starter
Algae Grower
 
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My water parameters seem odd? High Nitrate in shrimp tank, no KH in main.

So I tested my tanks and my water sources for the first time today and the parameters seem out of whack for what I think they should be.
I started Excel a week ago as it said on the bottle (1ml per gal on start day), then 1ml per 10gal every other on main tank, and every 3 days on shrimp tank.
Main tank has been up for 4 months, shrimp for 3 months.

Can excel fudge my numbers here, and how does it if it does?

v Filtered Tap water (100% tap in both tanks)
Code:
     pH   Ammonia   Nitrites   Nitrate   GH   KH       
     7.8     0         0.0        0      8   5
v 10G Main planted tank. Decently planted with stems. 30 Endlers. 10 RCS. 40G HOB filter. Flourite and Aquasoil mixture (leeched ammonia before putting it in)
Code:
     pH   Ammonia   Nitrites   Nitrate   GH   KH       
     6.8     0         0.5       10      8.5   0
v 10G RCS tank. 30 RCS, small 10G HOB filter. Eco Complete. 2 small lava rocks. Moss, few stem plants.
Code:
     pH   Ammonia   Nitrites   Nitrate   GH   KH       
     8.0     0          0       100      11   5.5
I can see the two rocks increasing hardness in my shrimp tank, but I can't fathom how the Nitrates are at 100ppm?! I do a PWC weekly with my main fishtank, but maybe the plants had no nutrients before? I only feed shrimp every other day and they eat all of it in 2-4 hours. I'm very aware of overfeeding and I put in less than a single algae wafer that I see in photos.

Do the plants in my planted tank use the KH before I added the excel as a source of carbon? Any help is appreciated, thanks.


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post #2 of 4 (permalink) Old 11-08-2011, 12:30 AM Thread Starter
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I've removed the two rocks from my shrimp tank and did a 50% water change now.
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post #3 of 4 (permalink) Old 11-08-2011, 02:53 AM
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When you test for nitrates, phosphates, ammonia, etc. and get very odd results, your test results are almost always incorrect. If you make some distilled water solutions with known ppm of whatever you are testing for, then check that your test kit gives you accurate readings on those test solutions, then and only then, you can test the tanks and believe the results. That might make you wonder why you are testing.

Hoppy
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post #4 of 4 (permalink) Old 11-08-2011, 03:02 AM Thread Starter
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Good advice. I was planning on doing those two big changes and testing again, but I should have done a control before I started.
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