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#1
02-06-2014, 03:54 AM
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You haven't mentioned what your PO4 is at, or what levels you had when you were 'cooking' your LR before you introduced it to your system
When you 'cook' LR, you are best to reduce it to zero readings of both N03 and PO4; of course well beyond NH3 If you cooked your LR properly you would have been doing regular weekly water changes to remove the stuff you didn't want in your DT Having an N03 reading as high as your's leads me to believe you didn't fully cook your rock Plus, IMHO, having that much rock (180-200lbs) is enough for a 400+Gallon system. You haven't stuffed all that LR into your 90G tank, have you ? 3" of sand is a lot. In my opinion, you're in between a regular 1" bed and a 'deep' sandbed. Do you need that much ? Others will speak up, but I'm thinking it's too much of everything, and it needs some re-thinking ... I'd suggest you remove a whole lot of that rock, such as reduce it down to maybe 90-125lbs, and then you'll still have to 'cook/cure' it before you can stabilize your N03 readings Plus you'll actually have room for corals Get that rock down to zero readings for both N03 and P04, then you can start building a great tank But this is just my opinion based on what I've read here and what I've done, so take it for what it is ... Good advice from knowledgeable/opinionated people  Last edited by gregzz4; 02-06-2014 at 03:57 AM. 
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#2
02-06-2014, 04:00 AM
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WOW how did I miss that!! 3" of sand and that much rock in a 90 is way to much IMO as well, I would have to agree with gregzz on his assessment.
__________________
Feed the bear goodies, make a new friend, don't feed the bear............... 8' - 165gal Reef DIY LED's Build 2012 Nano Contest Winner Febuary 2013 POTM Winner 300 gal + 60 gal Complete DIY Build
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#3
02-06-2014, 04:21 AM
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Quote:
 I'm not sure if I gradgeated, but I went through the 'School of Mindy' She was there for me throughout my whole initial planning stage and I can't thank her enough Plus I learned a whole bunch more from all of us CanReefers, so many more get credit for my limited knowledge .... Persistant, I'd recommend the linked Mindy info if you haven't already read something as informative Good luck !! 
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#4
02-06-2014, 04:41 AM
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#5
02-06-2014, 04:44 AM
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I edited a bit Good luck and keep the questions coming
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#6
02-06-2014, 04:21 AM
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 I do have most of that in the DT, probably about 30 lbs in the sump from the 200. The tank is between my family room and office so dual viewing. I have a established 55 gallon as well that is shy of rock so likely some is destine for it. I welcome the advice hence the posts as I took over the 55 (abused tank and critters) in May so still very new to the hobby.
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#7
02-06-2014, 04:41 AM
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You may want to buy at least a PO4 test kit, or better a Hanna PO4 digital meter. Or at the top of the scale is a Phosphorus Low Range Meter $$$$ The Hanna PO4 will do you just fine (the phosphosus tester is very low range and you don't need it). You can get it in Canada from Reef Supplies but you will need to make your decision about what tester you want - phosphate or phosphorus Since you opened the door ... Get all that extra rock out of your tank and dump it in a bucket, including the stuff you have in your sump. It's just a big detritus trap No LR in your sump is a good idea. Some do it with success, but you have to keep it clean Look over all your rock ... Play with it in your tank. Make different piles. Get it the way you want it. Take it from someone who has limited space in a 75G ... keep everything away from the glass for cleaning and, above most for anyone, keep the structures below the half-way point top-bottom so the corals have somewhere to grow. I've looked at so many great-looking tanks lately that I'm convinced the best-looking setup has the LR stopping at half the height of the tank After you have decided what you want to keep, Sell that stuff !!! $$$
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