Nitrate levels low + coral dying

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Jekyl

GSP is the devil and clowns are bad pets
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My nitrate levels are at zero, I have had an algae bloom for several weeks and now my coral are dying. How do I raise the nitrate level??
Remove as much of the algae as you can. Use a toothbrush and your vacuum during water changes. The algae is competing with the coral. Adding more nutrients can help but isn't solving the root problem.
 
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emsilkina

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Remove as much of the algae as you can. Use a toothbrush and your vacuum during water changes. The algae is competing with the coral. Adding more nutrients can help but isn't solving the root problem.
I took out most of the algae, but I had way more algae 2 weeks ago but none of my corals were dying then
 
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emsilkina

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What are the rest of your parameters? What lighting?
My calcium + KH were low, but I fixed that so everything looks normal now, but the corals have gotten worse. I use NICREW 100 Watts Aquarium LED Reef Light, but I have had it for a couple of months and my corals have been healthy. I added a Pygmy cherub angel, and I am concerned that might be the problem since it led to my starfish's death and caused the algae.
 
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