I have seen some people breed acid water species in relatively hard (i.e. medium conductivity/TDS) water. Hence, I would try to just get your water in the acidic range first and see if you have success.
If you are really set on lowering your hardness your only economical option would be to buy a reverse osmosis unit.
And, of course, make sure that you read all the articles here and search the forum. After all, even if you have acidic water but feed your shrimp too much or do something else wrong they will still die....despite the low ph.
Mark wrote:
Thank you Mustafa for advices, yes i've read some articles but at anytime i found a value of GH just : soft water
You're welcome. I don't like giving GH and KH values since they are not an accurate representation of water parameters. Conductivity/TDS (TDS=Total Dissolved Solids) and ph are much more accurate and useful. I don't ever measure GH and KH anymore. Just ph and conductivity.
badflash wrote:Can you post the TDS or Conductivity levels for Bee and Bumblebee that you find good?
According to two habitats where Caridina trifasciata occurs conductivity is between 39 and 60 microsiemens/cm. Habitats of the Sri Lanka dwarf shrimp have similar conductivity values. Hence, it's safe to assume that the bees and bumblebees have similar requirements as the above mentioned two acidic water species. My conductivity values in my tanks vary between 110 and 150.