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Old 08-13-2015, 03:32 AM   #1
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High PO4 from dead(live rock)

Tank is on 2nd day off cycle so i thought i would test the water with ammonia and po4 just to see what is happening before and after.
My po4 was very high im guessing this is because i have put in dead (live rock) and didn't acid bath etc or cure separate as i was told to just put it in with the tank when cycling.
I tested with api and sera kit then i tested some fresh made up saltwater so it is def from the tank/rock/sand!!
I have removed the rock and out it in 65l bucket with a powerhead but no heater as its in the tank.
Should i just cycling in the bucket and do water changes or vinegar wash the rock.
I did wash the rock with ro water before putting in the tank!!Click image for larger version

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Old 08-13-2015, 11:43 AM   #2
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If it is from the rock, you should cure it until your phosphate levels are gone...but that said the API test kit is highly inaccurate. As for Sera, I've never heard of it.
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dead, live, live rock, rock

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