high nitrates during hyposalinity PLEASE HELPPPPP

bperau

New member
I am doing hypo in my 180 gallon tank with a 55 gallon fuge. I took all my LR and inverts out and currently have the salt level at 1.013-1.014 and will be dropping again tonight and tomorrow morning. Fish and a 2 inch sand bed remain in the tank. The nitrates in the tank are really high and I know its from taking out the LR but I need a solution to fix this. I have changed about 90 gallons of water in the past 2 days. Should I buy a canister filter or put carbon in the tank, need advice.
 
I am doing hypo in my 180 gallon tank with a 55 gallon fuge. I took all my LR and inverts out and currently have the salt level at 1.013-1.014 and will be dropping again tonight and tomorrow morning. Fish and a 2 inch sand bed remain in the tank. The nitrates in the tank are really high and I know its from taking out the LR but I need a solution to fix this. I have changed about 90 gallons of water in the past 2 days. Should I buy a canister filter or put carbon in the tank, need advice.

How high are your nitrates? Nitrates are only harmful to fish at extremely high levels. Just make sure you get it down before you put all your LR, corals, inverts back in. Now, ammonia is what you really want to be concerned about right now. What kind of mechanical filtration are you running to replace your natural LR filtration? Also, I'm no expert when it comes to hypo, but I think you're supposed to take all your sand out as well.
 
Would like it if someone could chime in about the sand because I am not sure if I was suppose to take that out either? I just have 2 carbon filled filter cartridges in my sock in the fuge. So the water coming out of the pipe from the 180g sends water through 2 filter cartridges then through the sock...wasnt sure if I should go buy a canister filter or what. I pretty much have it set up like if it were a HOB filter (water just going through 2 carbon filter cartridges.
 
Stop doing water changes. Still curios why you removed the rock. Doing such a large water change could cause dieoff and then raise the nitrates. A HOB media filter would help remove waste that raises nitrates and good steady water movement. If you have a lid on the tank remove it.
 
I'm doing the water changes to bring the salt level down. So should i be working on removing all the sand? Different ppl have their own opinions. And I took the rock out because it will die at the low salt level
 
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