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Discussion Starter · #1 ·
Hello!



I recently put 10 cherry shrimp in my pretty heavily planted Fluvial 5 spec with some chili rasboras hoping to start a colony!

I wanted to run my parameters by you all to see if I need to boost my GH/KH at all... or are these suitable for red cherry shrimp?



GH: ~120ppm

KH: ~40ppm

PH: 6.5



Are these parameters sufficient or do I need to supplement some more hardness?

Thank you!
 

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snails are your friend
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Welcome to TPT. I always have to convert PPM, but I think you're in a pretty good spot. 40 ppm = a little over 2 dKH and 7.2 dGH which is right about where my tap is and I do great with them. I wouldn't change a thing. And as an added bonus if your source water is consistent, water changes will require no altering.
 

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The biggest concern I see is using tap water on a buffering substrate.... shrimp do best with stability. It sounds like your pH may fluctuate with each water change that you do.


How do tank parameters compare to source water?
 

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snails are your friend
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I didn't see the use of a buffering substrate? At any rate sub 2.5 KH won't wear it out too quickly, though GH only RO would be ideal if OP is indeed using aqua soil.
 

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Discussion Starter · #5 ·
The biggest concern I see is using tap water on a buffering substrate.... shrimp do best with stability. It sounds like your pH may fluctuate with each water change that you do.


How do tank parameters compare to source water?
@Zoidburg / @Blue Ridge Reef I am currently using Fluval Stratum in the tank. My source water has about the same GH and using the API test kit I cannot visually detect a difference between my source PH and tank PH.

Should I be switching to R/O water?

And if I should make the switch, how can I slowly introduce R/O?

Thank you!
 

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Discussion Starter · #7 ·
Haha maybe because I mentioned it was planted, so he assumed I used a mineral-rich substrate of some kind... or he is just psychic.

If my soil "dies" does that just mean it will no longer buffer PH?
 

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Generally speaking, low pH tanks mean that there's a buffering substrate. Not always, but most often.

Not only that, but it's a Fluval aquarium... I had guessed that *maybe* the tank came as a kit... and had Fluval Stratum. Although, looking at the kits, I see it doesn't come with gravel! LOL


Once the soil exhausts itself (and Fluval doesn't have a good rep when it comes to longevity or buffering ability...), then yes, your pH would rise. I am seeing more and more that Fluval is buffering to a lower pH so maybe they changed something about the substrate?


Even if it's exhausted, it would still be good for your plants, so no worries there!



As far as the shrimp goes... you honestly might be fine! You might not have any issues! However, if you have problems with the shrimp each time you do a water change (not necessarily during, but within days of), then you might want to consider if anything needs to change.

I was more curious about the KH of tap vs tank - after the tank has settled for at least a few days or so after a water change.
 
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