CRS lived for a month then died? - The Planted Tank Forum
 
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post #1 of 15 (permalink) Old 01-03-2014, 03:14 PM Thread Starter
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CRS lived for a month then died?

Hello all!

I have a Crystal Red Shrimp tank at work, it is a 2G, Evolve low tech panted tank. Substrate is Aquasoil, it has drift wood, Crypt, Java Fern and a couple stems.
GH = 5
KH = 1
Temp = 75
I'm using Distilled water for topoff. And a 20/80 mix of Sparklets/Distlled to maintain the above numbers when I do a water change.

I put 4 crystal reds in there, and they did well for a while, about a month but when I came back from Christmas break I found 2 had died.

I've been feeding flake about once every 5 days, I figured this was enough. Am I wrong?

Is there anything wrong with my specs?

The 2 Cherry shrimp are doing great! So are the 2 CRS that didn't die.

Edit! Wait!!! Only one CRS died, I just saw the 3rd one.

Thank you,
Whiskey

Last edited by Whiskey; 01-03-2014 at 03:41 PM. Reason: Just saw one more of the CRS
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post #2 of 15 (permalink) Old 01-03-2014, 03:43 PM
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Wondering what the temperature is when you're not at work, also cleaning people spraying products even in the same room as a tank that small might be enough to "whack" your CRS.


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post #3 of 15 (permalink) Old 01-03-2014, 04:08 PM Thread Starter
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Quote:
Originally Posted by xmas_one View Post
Wondering what the temperature is when you're not at work, also cleaning people spraying products even in the same room as a tank that small might be enough to "whack" your CRS.
I have a temp controller on this tank that runs a fan and heater, I don't know what temp the room hit, but I do know the tank did not drop below 74 or above 75 otherwise the display is programmed to alert me.

And I know that nobody cleans my desk lol - I'm in IT we keep people out of our area when nobody is here.

Great thoughts though!
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post #4 of 15 (permalink) Old 01-03-2014, 04:55 PM
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What's the tds and ph of the water?
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post #5 of 15 (permalink) Old 01-03-2014, 11:59 PM Thread Starter
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Quote:
Originally Posted by Thatshrimpguy View Post
What's the tds and ph of the water?
Tds is 281 and ph is 6.8.
Nitrate is 0 and phosphate is 0.25. That means I should probably dose some kno3 actually.

Do those numbers look good?
Thank you,
Whiskey
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post #6 of 15 (permalink) Old 01-04-2014, 02:55 AM
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tds looks high
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post #7 of 15 (permalink) Old 01-04-2014, 04:18 AM
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I remember buying some CRS (Grade A-S) locally.. and while drip acclimating the shrimps, I tested their TDS and it was at 320 ppm .
.. I guess they could survive in that, but maybe they wouldn't be too happy

Last edited by levian; 01-04-2014 at 04:18 AM. Reason: typo
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post #8 of 15 (permalink) Old 01-04-2014, 04:57 PM Thread Starter
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What should my TDS be? Keeping it much lower will be a struggle because the ferts I add every day have a tds level of 9,000. Perhaps if I removed the salt based one (k2s04) I'd have better luck.

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post #9 of 15 (permalink) Old 01-04-2014, 08:29 PM
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I keep mine at 120-130 tds, no ferts though... Perhaps something with the ferts is the cause of death, maybe you should try and not dose the tank with ferts for a while?
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post #10 of 15 (permalink) Old 01-04-2014, 08:40 PM
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People usually recommend TDS between 100-200 for the higher grade shrimps. (My CRS seemed fine with a TDS of 235, but since I stopped dosing ferts, it's now at 205.)

I have one CRS that is berried right now, so I just need to wait and see if the babies will survive
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post #11 of 15 (permalink) Old 01-04-2014, 08:43 PM
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Planted shrimp tanks can be done but are difficult. This is why most people do one or the other.
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post #12 of 15 (permalink) Old 01-05-2014, 04:53 AM
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I would think most people do keep planted tanks for shrimp. All my shrimp tanks are planted and heavily at that. Moss balls, suesswassertang, java moss etc. all excellent plants for shrimp tanks. I keep my TDS between 120 to 180 by adding SS GH+ to the R/O water, seems to be good enough fertilizer for the plants as well as they are thriving.

20g L46/hastatus/pygmy corys, 10g OEBTs, 10g blue bees/blue velvet shrimp, 10g CRS, 25g L174s/BNs/L340s, 10g yellow/red tiger shrimp, 15g clown plecos/CPDs/habrosus corys, 15g cory fry, 29g Weitzmani/panda corys/BNs, 46g L134s/salt and pepper corys/BNs/rubberlip pleco, 55g SAE/L201s/L199s/BNs/kissing gourami, 75g L316s/BNs/L134s/CAE/silver dollar, 30g L340s/L211s/CPDs,10g tangerine tiger/snowball shrimp, 20g L134/habrosus corys, 10g CPD fry
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post #13 of 15 (permalink) Old 01-05-2014, 07:20 AM
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Quote:
Originally Posted by garfieldnfish View Post
I would think most people do keep planted tanks for shrimp. All my shrimp tanks are planted and heavily at that. Moss balls, suesswassertang, java moss etc. all excellent plants for shrimp tanks. I keep my TDS between 120 to 180 by adding SS GH+ to the R/O water, seems to be good enough fertilizer for the plants as well as they are thriving.
Those are all very low maintenance plants which require no ferts and low light. Of course people have moss and such. I was referring to more demanding plants which require regular ferts such as what the OP has.


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post #14 of 15 (permalink) Old 01-06-2014, 12:09 AM Thread Starter
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I have mixed up some water change water to 100 TDS using a mixture of Distilled water, small amount of Tap water, and Ultimate GH booster. I will do a small change on the tank when I get back to work Monday morning and keep that up until TDS drops below 200.

Thank you,
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post #15 of 15 (permalink) Old 01-08-2014, 04:21 PM Thread Starter
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Okay - I ended up getting sick on Sunday, and couldn't make it back to work until today. In that time TDS had crept up to about 330, I did the water change this morning and got it back down to about 250, I will do another change tomorrow, and will continue until it is under 200.

I've only seen one of the CRS today,.. I'm hoping they are just hiding.

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