So I have had some cherry chrimp and some blue shrimp about 4 of each, they are in a 16 gallon planted tank with a betta and some otto and 2 guppies. Water parameters are good 7ph 0ammonia 0nitrite 0nitrate the co2 I have is the fluval set up from petsmart and I have a fluval indicator to make sure no excess co2 is present. And so far I have lost about 5 shrimp the last one was a red one whom still had some red, usually I just find the white dead body.. and I noticed also that there's baby red shrimp in the tank now.. the only thing that has changed is that there's some algae in the wood but that algae has a while of being there, it's the brown type. Wood has been there since the beginning though so not a new addition. I just don't know why they are dying. Fertilizer is seachem flourish safe for shrimp and water changes i use prime. At this point I am lost. Any help is appreciated