Shrimp and tds - The Planted Tank Forum
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post #1 of 8 (permalink) Old 11-07-2019, 12:06 AM Thread Starter
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Shrimp and tds

Is a TDS of 400 too much to keep shrimp?
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post #2 of 8 (permalink) Old 11-07-2019, 12:40 AM
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What kind of shrimp?

My RCS and false amanos live in basically 370 TDS (according to my cheapo meter which could be inaccurate), my well water is about 150 or so if I remember correctly. Have a nice multi gen colony of RCS. I use equilibrium to raise GH.

Other types of shrimp are much more finicky and require much tighter parameters from my understanding.

Can also depend on if they are wild or what water the breeder uses. This can cause issues with getting them use to your water. Try for youngsters if possible preferably from local breeder. Its suppose to help adapt. I got my original ones from local fish stores.
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post #3 of 8 (permalink) Old 11-07-2019, 01:23 AM
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Honestly, that doesn't mean much unless you know what comprises all of the dissolved solids in your tank. (It won't be too difficult to figure out)

So what makes up your water chemistry? Have you done any testing? Checked local water reports?

Have you ever tried to calibrate your TDS meter?

Plenty of us keep Neocaridina in water with higher TDS. But, to repeat myself, it doesn't much matter to know you have a high TDS reading if you don't have a basic understanding of what's in the water.
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post #4 of 8 (permalink) Old 11-07-2019, 02:22 PM Thread Starter
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Thank you, Quint.
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post #5 of 8 (permalink) Old 11-07-2019, 02:48 PM Thread Starter
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Thank you, somewhatshocked, I do have a local water report and I don't see anything I think I should be worried about. I test for GH, KH, pH, No3, Po4, and Iron. However, I use RO/DI water for this tank and the TDS meter on the RO unit and the handheld meter read the same. I do a 50% water change weekly. My TDS always reads 300-400+. I use GLA PPS-PRO fertilizer method and I'm wondering if this is the reason for the high TDS readings. So, I would like to add some shrimp and snails to my tank but was worried about the high TDS readings and if invertebrates would tolerate my TDS level.
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post #6 of 8 (permalink) Old 11-07-2019, 02:56 PM
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Yep, that'd be why you're seeing the numbers your seeing. Nothing to really worry about if your critters are doing fine.

This is my 21st year (Feb 2 will mark the colony's 22nd year) with a tank of Cherries in a high fert tank with a TDS of ~500-520, depending upon the day of the week. Most of my shrimp tanks don't get ferts, though. Just that one.


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post #7 of 8 (permalink) Old 11-07-2019, 10:36 PM Thread Starter
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Thank you, somewhatshocked, I now feel more comfortable about adding shrimp to this tank.
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post #8 of 8 (permalink) Old 11-08-2019, 12:46 AM
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It's best to slowly acclimate shrimp to fertilizers and CO2. I'd do it over the course of about a month if you're new to shrimp - slowly increasing each until you get where you want to be.


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