What is a safe nitrate level for RCS? How about crs ?
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Old 01-02-2014, 07:35 PM   #1
Pakman
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What is a safe nitrate level for RCS? How about crs ?


My Nitrates are about 10 ppm is that too high for cherrys? What about crystals?

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Old 01-02-2014, 10:45 PM   #2
ChadO
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It's probably OK, but you'll want to keep an eye on it.

One of the things that I do is keep floating plants in my shrimp tanks. The shrimp like them a lot, and they really help suck out any extra nitrates that the mosses don't use up. Also, if you notice that your floaters have really taken off in a tank, it can help as a visual cue that something might be going on in that tank.
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Old 01-03-2014, 12:41 AM   #3
ftwchopper
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x2 on floating plants..giant duck weed,amazon frogbit or watersprite are all good choices..
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Old 01-03-2014, 04:51 AM   #4
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You cannot kill RCS with KNO3, at least not that I've ever seen.
I tried. 100 ppm, not any impact.
They are cockeroaches.

CRS' 10-20 ppm is fine.
Most keep them in a non CO2 planted tank. CO2 is more detrimental to growth, brood production than NO3 or ferts generally.

So you can easily keep a low N non CO2 planted tank with few water changes and dose once a week the ferts in small amounts without issue.
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Old 01-03-2014, 05:45 AM   #5
AnionAndCation
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Quote:
Originally Posted by plantbrain View Post
You cannot kill RCS with KNO3, at least not that I've ever seen.
I tried. 100 ppm, not any impact.
They are cockeroaches.

CRS' 10-20 ppm is fine.
Most keep them in a non CO2 planted tank. CO2 is more detrimental to growth, brood production than NO3 or ferts generally.

So you can easily keep a low N non CO2 planted tank with few water changes and dose once a week the ferts in small amounts without issue.
I once saw a post of an owner claiming his tank had NO3 levels close to 200ppm and still had cherries multiply
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Old 01-03-2014, 04:57 PM   #6
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I had 3 crs survive from day 0 when I flooded my tank of Amazonia and till this day they survive. I have crs in a bucket with duckweed minimal light no filter and they're alive, although very ugly colored. A wise man once told me parameters and water testing numbers are important, but they are not the end all be all to shrimping!
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Old 01-03-2014, 05:05 PM   #7
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Thanks for the advice! just moved 3 CRS from a small non-heated bowl tank to my shrimp breeder. Hopefully, they are happy (even with N03 @ 20ppm) . Now to see if they breed in TDS > 200.
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