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Originally Posted by overboard  You are probably right, it is a stabilizer.. I just guess that Cidex is an effective algeacide and carbon source even after it has degraded as a safe disinfectant. I just finished a quart I got four months ago, and started a new bottle, and noticed no difference in the 10 gallon that still has hair algae... alas. |
Im sorry but I don't quite follow. Are u saying that it is useless when adding the activator? Or are u saying that cidex has no effect on algae? I just bought a bottle but its too early to tell its effects. It doesn't seem like it does much on spirogyra but neither does excel.