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I currently have a new tank setup with Ada aqua soil. My ph is at 6.6 with 0kh, I want to add co2 but I'm worried it will drop the ph too much. I want to keep shrimp but I don't want my ph to be below 6.0

I've tried using buffers but over night it drops back down. What should I do?
 

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As far as KH and Amazonia goes, It is designed to lower PH/KH. If you want to use CO2, I suggest a low bubble count (ie. Less then 1 BBS), add GH Buffers (I recommend Equilibrium - dry form), don't bother dosing the water column using EI dosing regime), use PMDD or PPS Pro instead), do smaller more frequent water changes (especially with Caridina genus).

JMHO.

Stuart
 

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Just curious what size is your tank?

I'm no shrimp expert but I can speak about CO2 and PH relationship. I agree with Stuart, I would start with lower bubbles of injection. It would take a lot of CO2 to drop the PH below 6.0, but a moderate amount like 1 bubble per second in a 20 gallon would only drop the pH by 0.2-0.4. In a smaller tank try 1 bubble per 2 or 3 seconds.
Dwarf baby tears will be ok with lower CO2, but with any plants its more about the balance of CO2 and light.
 

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I also have some dwarf baby tears, will it be ok with a low bubble count?
"Dwarf Baby Tears" is a trade name. Do you know if they are HC or Glossostigma elatinoides? Both would be able to be sustained with a lower bubble count. They both have higher light demands. I would suggest growing in the carpet first, with a higher bubble count, and then dialling back the CO2 once grown in (this could be done in the absence of your preferred shrimp species).

Best regards,

Stuart

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