11-06-2012, 02:08 PM
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Fish hide/sink to bottom when light is on
I have 8 Tropical Fish (2 Tetras, 2 Zebra Danios, 3 Silver-Tips & 1 Plec).
I have had the tank set up for over a month now and have completed a course of nitrate and ammonia remove, plus chlorine remover. The tank is set at 26 Degrees. The fish are healthy.
The only problem I have, is that all fish (except the plec) seem to act strange (hiding/sinking to the bottom, sometimes erratic) every time the tank light is switched on. It seems quite strange, seeing as they have only been acting this way over the last 7-10 days.
When the tank light is switched off; immediately they are swimming around as normal, covering all areas of the tank.