I started with regular IO, then moved to Kent marine salt from Dr foster and smith from the states as I added more corals. Now I'm onto reef crystal because I can get them locally if I need to.
How long do you guys store mixed salt water for water changes? I use a 50 gallon barrel and I'll mix it all and do about 15 gallon changes every 2 weeks. So the water is potentially in the barrel for 6 to 8 weeks. I run a powerhead and heater in there too.
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