Seattle Aquarium??

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Active member
Jan 25, 2004
Federal Way, WA
We've just heard that seawater can be obtained at the Seattle Aquarium for minimal cost. If this is indeed true can anyone tell me more about it?. What about : costs, is it mature or just deionized or also r/o, directions, who to see, opinions (is it safe?) I need water for set-up of a new Reef tank and this would great if its worth the trip.


Well-known member
Jul 15, 2003
Seattle, WA
I used to use it.......but I was having major issues with it. Salinity was never really stable, calcium and alk were always off. I had to put more additives into the water to get it stable than what it was worth. It was fine for my original fill of my tank but for water changes and all it didn't work out for me. I'm sure it'd be fine for a fish only tank.

It's a 10.00 charge to get a card then it's .05 a gallon and they bill you monthly for your water use. You have to go during normal hours to get your card and just ask the person at the cash register and she'll buzz someone in administration and you fill out a simple form and get your card.

Hope that helps.