Shrimp and kno3 - The Planted Tank Forum
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post #1 of 18 (permalink) Old 01-06-2012, 05:02 AM Thread Starter
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Shrimp and kno3

Do shrimp live with some kno3 added to the planted tank?
If so what is the safe amount kno3 to have in the tank?
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post #2 of 18 (permalink) Old 01-06-2012, 05:34 AM
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It is safe and I have done it where my nitrates level were 40ppm+. Is it recommended for shrimp breeding tanks? Definitely not. But if your primary goal is keeping your plants well-fed, then it's fine. They will live through it.

I have kept cherries with these high levels. I believe Tom Barr has kept a breeding population of crystals with those levels too.

Again, if your goal is to keep a breeding colony of shrimp, then keeping nitrates level as low as possible is your best bet. <10 would be ideal.
If you just keep shrimp for ornamental purposes and don't really care about breeding and such, then dose away.
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post #3 of 18 (permalink) Old 01-06-2012, 05:55 AM
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Cleaner water means better shrimp. By better shrimp I mean they grow faster, live longer and are in general healthier.

It also depends on what kind of shrimp you're keeping.
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post #4 of 18 (permalink) Old 01-06-2012, 08:08 PM
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I dose weekly to keep my NO3 levels at around 10 ppm. I've got fast growing stems and floating plants that soak up the nitrates fairly quickly though. My shrimp don't seem to mind it at all.
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post #5 of 18 (permalink) Old 01-07-2012, 07:00 PM Thread Starter
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Do they shed when they grow? They turn red when they died?
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post #6 of 18 (permalink) Old 01-08-2012, 03:30 AM
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Yes, they do molt when they grow. Not sure if they keep growing when they reach full size though.

Shrimp will look like mini-cocktail shrimp when they are dead.

Fish Shrimp tanks are like cups of coffee, one is never enough.

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post #7 of 18 (permalink) Old 01-08-2012, 05:26 AM Thread Starter
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Just trying to find out how 2 shrimp die? I only did a water change and added prime ,kno3 and po4 , I still have 2 more Amano shrimp living .

What about Prime I did add 80mil to a 110g tank? I've never lost a fish because of it.
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post #8 of 18 (permalink) Old 01-08-2012, 05:31 AM
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80 ml? that's almost 10 times the recommended dose for prime. prime is dosed at 1ml per 10 gallons, so you should have dosed 11 ml that should save you some money too.
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post #9 of 18 (permalink) Old 01-09-2012, 04:33 AM Thread Starter
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80 ml? that's almost 10 times the recommended dose for prime. prime is dosed at 1ml per 10 gallons, so you should have dosed 11 ml that should save you some money too.
So for a 50% water change on my 110g tank I need to dose 11 ml?
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post #10 of 18 (permalink) Old 01-09-2012, 04:34 AM
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no, you need to dose 5.5ml

That's a little more than a capful
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post #11 of 18 (permalink) Old 01-09-2012, 04:35 AM
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You only need to dose the amount of water you've taken out.
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post #12 of 18 (permalink) Old 01-09-2012, 01:16 PM
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The only time you should add more than that is if you're worried about an ammonia spike as prime also neutralizes that. But you shouldn't really have to go over 2x the amount...

Fish Shrimp tanks are like cups of coffee, one is never enough.

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post #13 of 18 (permalink) Old 01-09-2012, 01:44 PM
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Seems like Prime claims that you can't really overdose it though, right? Other than cost, you think that could have affected the shrimp?
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post #14 of 18 (permalink) Old 01-10-2012, 05:08 AM
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Quote:
Originally Posted by Ebichua View Post
It is safe and I have done it where my nitrates level were 40ppm+. Is it recommended for shrimp breeding tanks? Definitely not. But if your primary goal is keeping your plants well-fed, then it's fine. They will live through it.

I have kept cherries with these high levels. I believe Tom Barr has kept a breeding population of crystals with those levels too.

Again, if your goal is to keep a breeding colony of shrimp, then keeping nitrates level as low as possible is your best bet. <10 would be ideal.
If you just keep shrimp for ornamental purposes and don't really care about breeding and such, then dose away.
Exactly what I would have said. There are many people that have had N reading in the 80's+ with no issue with their shrimp at all. What happens most of the time is a novice shrimp keeper gets some CRS and then over the course of the next month or so, they all dies off and the only thing they can focus on is that their N reading was 20ppm. CRS and other soft water shrimp are finicky and can die at the drop of a hat if one little thing is not to their liking.

Now it is true that the lower the N the better but you are not a shrimp farmer you are a planted tank enthusiast who wants some CRS in their tank. Just make sure not to gas them with co2 (im assuming you'll have that in three too since your dosing EI) because that is a MUCH larger concern to the shrimps health than Nitrate. The only thing more detrimental to the CRS's health IMO is an OD of Flourish Excel.
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post #15 of 18 (permalink) Old 01-10-2012, 06:04 AM
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The NO3 tends to sit 10-15ppm or so in this tank, but I add about 40ppm a week + good feeding.

Adding KNO3 is not hard, folks make plenty of mistakes and over and under do it without too much issue, just do not run things too low for too long.

Not sure about an upper range, not one has reported any CONCLUSIVE evidence of an upper bound for NO3, near as anyone can tell/verify independently.

Same for all shrimp tolerances.

Regards,
Tom Barr
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