High Nitrates please help - Page 2 - Tropical Fish Keeping - Aquarium fish care and resources
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post #11 of 12 Old 09-10-2013, 06:26 PM
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Originally Posted by AquariumKeeper View Post
Live rock and live sand are all that is currently in the tank. I pulled all the rock placed in rubber made containers (100lbs). Replaced the sandbed (60 lbs) and did 95% water change. With no rock in the tank for past 24 hours minus a few small pieces (10 lbs) i recently aquired everything is reading zeros as it should be. I am contemplating whether i should place the other 90lbs of rock back in the tank or just go ahead and cook it. I'll probably put it back check the nitrates over the next couple days to understand if the origional live rock is the source. I need to make sure the tank is stable before adding any critters but i do understand the need for a clean up crew etc.
It can be dangerous to cook live rock. Also, you will kill any beneficial creatures you have on it. Unless somehow you got some contaminated rock, I'd put it back in the tank. Didn't you say the water you tested with the LR was good? Nitrates at or near 0?

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post #12 of 12 Old 09-11-2013, 12:02 PM Thread Starter
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I didn't actually mean cook the rock. I just put it in rubber made containers with new salt water for about 48 hours then tested the nitrates. Everything checked out ok. So all rock is back in my tank. Replacing the sand bed and a 90% water change brought nitrates down to under 5. This is manageable and better than 160 ppm.
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