dmigtysolomon, it has been discussed in other thread:
- I do not overfeed my fishes; they are on the strict diet lately along with their owners;
- there is no any sunlight around; at all...
- the tank filter is brand new as well as the tank itself is..

thanks tallg, i will change the lights;
thanks Platao, i will check for the products in this new shop on Salwa rd.

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“You become responsible forever for what you have tamed”. Antoine de Saint-Exupéry