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ReefSparky · 02-27-2008, 07:39 PM

Although I've never seen the reasons listed, I'm guessing that allowing newly made SW to sit is to:
1. ensure mixing
2. ensure oxygen saturation
3. allow temperature to match that of aquarium
4. gives time to tweak the water, getting pH, alk, ca to match tankwater too.

I think with a decent powerhead, oxygen saturation could be achieved in less than 12 hours. As far as the other parameters listed, as soon as you can achieve them, you're OK.

I'm not sure here, but I suspect the unwritten rationale behind the "day or two" method is just to allow ample time to achieve all the above. If there is good reason to stipulate a certain time frame to the whole process, I'd love to know it.

02-27-2008, 07:39 PM	#3 (permalink)
ReefSparky Bubble Tip Anemone Join Date: Nov 2007 Location: South Florida Posts: 684 Karma: 2093	Although I've never seen the reasons listed, I'm guessing that allowing newly made SW to sit is to: 1. ensure mixing 2. ensure oxygen saturation 3. allow temperature to match that of aquarium 4. gives time to tweak the water, getting pH, alk, ca to match tankwater too. I think with a decent powerhead, oxygen saturation could be achieved in less than 12 hours. As far as the other parameters listed, as soon as you can achieve them, you're OK. I'm not sure here, but I suspect the unwritten rationale behind the "day or two" method is just to allow ample time to achieve all the above. If there is good reason to stipulate a certain time frame to the whole process, I'd love to know it. _________ 90G. Kent Phos Reactor running carbon and PhosBan, Coral Life 225 Skimmer, Typhoon 5 Stage RO/DI, 20 Gal Sump/Refugium with Chaetomorpha lit opposite daylight cycle. Coralife 2x150MH+2x96W PC Actinics, Ecotech Vortech propeller pump, Hydor Koralia #3.