My Tank is cursed...need help!!

[Bugger]

Im guessing chlorine got in the tank from the Ro not being serviced

[Galizio]

Well bud, it's not easy , could be hundreds of guesses, if you say all you parameter are good, maybe something is in the main water in your house, light intensity, something got in the water accidentally, try to get the store or a friend to test the water for you, just to make sure it's all in check...
If corals are dying, something is not right...
Did you start using some new product?


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[crimper]

You said you had neglected your tank, how did you arrived at 0 Nitrate and 0 Phosphate? Maybe you stripped your tank nutrient so fast.

[Amadod2]

what i mean by neglect is, i havent had as much time as i once had, im not testing things as much and im not changing the filter socks every three days, i left them in for weeks....
anyways i did a water change and i added carbon...fingers crossed