My tank has a pH value of only 5.1!
, random snails
, bumble bee snails.
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bENjEE,
This is slightly OT but I think some forum members can benfit from the discussion.
So, Singapore water used to be very soft pH at 7.0 and little buffer (i.e. you can bring down the pH easily).
From my research, in the "old days" we had only one water purification facility.
Hence, water quality was maintain with one standard and uniform for the whole country.
Now there are a few facilities with different percentage composition of "new water".
From my discussion with some forum members it seems water in northern Singapore tends to be harder, up to 8.0 reported.
For hard water in the 8.0 range you will need to "take out" the buffer matter before you can bring the pH down.
This is why I recommend using specific water treatments like Sera pH minus.
Once you are close to your target use ketapang leaves or peat (more effective pH reducer).
For those with the "luck" of having the "old" water standard you don't need the water treatment products.
Just go direct with ketapang leave or peat.
Now the short answer to your questions is, to have neutral gravel (i.e. dennerle quartz gravel) and add coral chips in your filter.
To add, btw I have not tried this myself but would IF I kept CRS, you can try using kelpt tablets.
Kelpt is a seaweed that grows in the temperate seas of the world.
They are sold as a health supplement with high iron and calcium content.
Being natural product this could be a good way to add calcium to your CRS diet.
Kelpt tablets can be obtained at most pharmacies and I believe they don't cost too much.
PS - With the "new water" I do suspect that the chemicals they add fluctuate.
So if more "new water" was used they add more chemicals. In short, keep to your method of ageing your water!
Originally Posted by benny
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