what is the safe ppm range of nitrates for crs/cbs?
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Old 01-14-2011, 08:58 PM   #1
lilflippy
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what is the safe ppm range of nitrates for crs/cbs?


Hi I was wondering what the safe ppm range for crs/cbs? Please reply back thanks.

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Old 01-14-2011, 09:02 PM   #2
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In my opinion, low to no nitrate readings.

If you have fish, keep your tank lightly stocked.

Excess ammonia/nitrates=bad from what I read.

-Gordon
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Old 01-14-2011, 09:06 PM   #3
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zero is ideal
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Old 01-14-2011, 09:16 PM   #4
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I never test, but it needs to be almost none.
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Old 01-14-2011, 09:46 PM   #5
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Does not answer the question nor is useful, give them a range, say 5-10ppm as KNO3 dosed, not from waste or sediment leaching. Never found any issues with mine in this range, it went higher as well.

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Old 01-14-2011, 09:53 PM   #6
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he asked for ideal... Zero is ideal.
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Old 01-14-2011, 10:10 PM   #7
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I keep 30ppm in my rcs tank and the colony keeps growing and growing.
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Old 01-14-2011, 10:41 PM   #8
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zero
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Old 01-14-2011, 11:26 PM   #9
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RSC are tough as nails, CRS not so much. Just keep the nitrates low.
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Old 01-14-2011, 11:48 PM   #10
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Oh, I see.
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Old 01-15-2011, 01:12 AM   #11
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Quote:
Originally Posted by gordonrichards View Post
In my opinion, low to no nitrate readings.

If you have fish, keep your tank lightly stocked.

Excess ammonia/nitrates=bad from what I read.

-Gordon
Ok heres my water parameters.

Nitrate 10

Nitrite 0

Ammonia 0

gH 7

pH 6.5-6.8

temperature 71F-73F

So to lower nitrate i could do water changes?

Also i plan in lowering my gH to 4 by using RO water.
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Old 01-15-2011, 02:02 PM   #12
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IMHO 10 ppm nitrate is fine for CRS. I had some survive and breed in a tank with fish where the nitrate level was 80 ppm+. The shrimplet survival was pretty low though, although I suspect the fish had something to do with it.
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Old 01-15-2011, 03:14 PM   #13
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Quote:
Originally Posted by lilflippy View Post
Ok heres my water parameters.

Nitrate 10

Nitrite 0

Ammonia 0

gH 7

pH 6.5-6.8

temperature 71F-73F

So to lower nitrate i could do water changes?

Also i plan in lowering my gH to 4 by using RO water.
A really easy way to totally wipe out nitrates is by dosing amquel or adding purigen to the filter.
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Old 01-15-2011, 07:05 PM   #14
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Quote:
Originally Posted by mordalphus View Post
he asked for ideal... Zero is ideal.
So does this apply to planted tanks?
It's not "ideal" for planted tanks period.

There's some trade off and the issue becomes one of risk, not what is ideal since ideally, we would not keep them at all, because aquarist are the no# killers of livestock in aquariums.

Not NO3's.

Can you even measure zero ppm down to say 0.01ppm?
That's not zero, but a test kit will read as such.

But is there any real risk associated with say 10ppm of NO3?
Got any evidence for it? If not, you cannot suggest or say less is better, because there is no significant difference and no risk between the two ppm's.

So is it really better?

You have not demonstrated it nor have we learned anything about the culture of the shrimp or their environment ranges.
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Old 01-15-2011, 07:11 PM   #15
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For all of you folks claiming zero is better, what reference controls have you used, if any and what test methods have you used and frequency to measure NO3's?

Or is it just speculation, wishful thinking, "less must be better"?????????????
I gotta ask, because it sounds like lots of guessing and no real evidence.

If it is as you claim, "better", please quantify this somehow, someway in terms of growth rates, brood production, some measurable quantity.
If there is no difference in these and no evidence there is any difference in risk, then why say it is better?

This type of thinking/advice offers little informative knowledge or gain.
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