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Hi Ladies and Gents, I need some help. Some of the shrimp in my PRL tank are starting to loose their colour and go translucent. I noticed this morning that the shell of one of them has changed to a light pink. He still has the thick white shell, its just the white part is turning pink. I'll attach a photo later on today. I know pink means internal bacterial infection but his "insides" look fine, its just his shell. By the time I went to get my phone to take a photo he ran to the other end of the tank ... typical. My water prams Ph: 6.6 Gh: 6 Kh: 0 TDS: 241 Temp: 22-24 degrees I know my Ph and my TDS are a little high so I've been lowering it slowly over the last few weeks. I didn't want to change it too much and shock them. I do a 10% water change weekly and drip my new water in. I use a mixture of RO and tap water. I have fluval stratum in the tank and also have Indian almond leaves, subwassertang moss and cholla wood. I have green walls for them and I use a sponge filter. Is this a Ph problem or is this bacterial? I've attached a photo of one of the females that have changed colour and who have gone translucent. I appreciate all your help!