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Old 09-26-2008, 06:04 PM   #21
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"Don't take this the wrong way and I don't think you are stupid but I have to mention... Paint the outside of the back, not the inside" Chisel; thanks for the info, I did know this.

Ziggy953; that seems like a lot of rock, I have been thinking of 40kg (90lbs). Looks like I will have to rethink my live rock. I will eventually be having either 250w or 2x150w MH (14000k). Interesting you say sand; I have had a lot of aquarium shops recommend crushed quartz and shy away from the sand as they say it is dead space. With my water flow I am planning on getting 2 Tunze nano's.

Come Tuesday I will unpack my tank, add some water and live rock (no light), then I will add the substrate a few days later so by the weekend my tank can happily start cycling.
Here is why I say sand. The ocean bottom is sand. Sand is a natural filter as it houses beneficial bacteria that will convert ammonia to nitrite and then to nitrate, thus filtering your water. I say 1.5-2lbs of LR per gallon because with that amount of rock you will have more surface area for additional bacteria colonies to grow and filter your water.

I have so much rock in my system because I have a total water volume of about 240g of water. I have a 55g frag system plumbed into my display and sumps so I have additional LR in my sump to help filter the additional water volume. I have a large refugium (20g) to further filter my water. I also use a large and powerful skimmer to keep the DOCs in check. I do not use chemical or mechanical filtration unless a situation calls for it. Since my recent tank disaster I have used GAC a couple of times simply because I stirred up a lot of nasty stuff.

I would suggest using sugar fine or aragonite or a mix of the two for your substrate. Quartz or Crushed Coral are not the best options especially if you are planning on having a reef tank. The particles are large enough that they will trap detritus and can lead to higher nitrates and with that algae outbreaks.
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Old 09-30-2008, 09:28 AM   #22
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ziggy963 thanks for the info. I have just put my tank together (in fact I have just finishing pluming the sump right now). On thursday I will go and get the rock and sand. I do have 1 more question for you Ziggy; what is GAC?
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Old 09-30-2008, 02:06 PM   #23
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