The Planted Tank Forum - View Single Post - Metricide 14 to replace the Excel dosing
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Old 09-30-2012, 09:38 PM   #68
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During my Google search I think I read that the biological grade and EC grade (I think that's what it was called) require refrigeration. Think I'll just stick with the 2.6% for now. Who knows ... I may end up going the pressurized co2 route by this time next year. LOL

I saw that the 28 has surfactants but also saw a lot of people that are using it seemingly without problems.?? But rather than take chances just figured I'd use the 15. It's still a huge savings over Excel.

And definitely will NOT use the activator.

Thanks all.
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