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Lunareclipse

Fishes are cuddly
Location
Ohio
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All of my LPS corals have been dying. About the same time they started dying, I started seeing sponges growing in my tank. I have never bought a sponge because I can't keep them alive. Now I have some dark blue and light purple sponges growing here and there. My frogspawn lost one of it's heads and so did my duncan. My water is spot on. I have 400WMH. The tank is 150g.
 

Pedro Nuno Ferreira

Liquid Breathing
Rating - 0%
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Hi :)

such as mcnuggget asked, please define "spot on" and help us to help you.
From your description it looks as if your tank could have an increase of organic load that favours the growth of the sponges and the dark blue one if it is the one I think, it could be a pest ... please help us to help you and thus post some photos and give us more details ...

Cheers
Pedro Nuno;)
 

Lunareclipse

Fishes are cuddly
Location
Ohio
Rating - 100%
4   0   0
Our camara sucks and we can't make out the pics ourselves. Our water is is within normal perameters for a reef tank. No phos, no nitrates, nitrates 5 ppm, ammonia is 0, temp 80F, 400W MH left on 8 hours a day. Whatever the sponges are, they are beautiful, though quite small right now. Maybe you could post pics of the pest sponge and I can see if it looks the same as what I have. Everything else is doing fine in my tank, growing and multiplying except my LPS corals. Not all LPS were affected. My green frogspawn died but my yellow one is thriving. The duncans were the first to go. My mushrooms are multiplying like weeds. My purple xenias are taking over the tank. The white xenias died though.
 

harsh12ka4

Reefer
Location
north wales, pa
Rating - 0%
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I would check the ALK mushrooms and Xenia dont have high requirements almost like weed on the other hand for LPS requires ALK and Cal supplementation. Other thing t o consider is placement of the corals in your tank. Since you mentioned you have 400w light i am assuming its one unit and hence anything directly under have high chance of getting too much light
 

pauliwalnuts

Advanced Reefer
Location
Elizabeth, NJ
Rating - 100%
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I would check the ALK mushrooms and Xenia dont have high requirements almost like weed on the other hand for LPS requires ALK and Cal supplementation. Other thing t o consider is placement of the corals in your tank. Since you mentioned you have 400w light i am assuming its one unit and hence anything directly under have high chance of getting too much light
He took the words right out of my mouth. Adding on to what he just finished saying, did you up-grade your lighting ? 400watts is powerful lighting for LPS corals that require low light.
 

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