Minerals and the loss of Mrs Blueberry


Mrs Blueberry died on Sunday. I couldn’t see any obvious cause but when I checked my TDS –  the amount of dissolved solids in the water, it was low at 150. Although this shrimp is supposed to be good at a range of TDS (80-500 allegedly).  I’m betting it was lack of calcium and other trace elements. My blue shrimp have always been the first to die when there has been a problem – maybe they are very fragile when it comes to water parameters.

So, I’ve started remineralising with Salty Shrimp 7.5.


It said an evenly full measuring spoon (about 3.5 g) to 15 litres of water is sufficient.  I added it bit by bit, dissolving it in a beaker of tank water before I tipped it in. I used half of the enclosed spoon.

*Update – New post on how to choose the TDS level using this product – and the things to consider.

The pot is full to overflowing  and gets everywhere! Whatever you do, don’t sneeze.

It is designed to raise the hardness in a ratio of KH/°dH = 0.42/1.0 (TDS approx 270-300) and adds all the minerals and trace elements that shrimps need (if you use rainwater or RO water which has had it taken out).

It is supposed to make the water identical to the lakes of Sulawesi where many shrimp come from (mine aren’t from that area but it does say it is ok for Neocaridina.

It is likely to raise the dH to 6 and buffers pH to 7.5 – not sure how far I will take mine as views are mixed. Trial and error.


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