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Title: It might be helping but it's not preventing or killing
Review: It doesn't seem to be stopping new red slime growth or killing any that exists. I have used the Ultralife Reef Red Slime Remover with success though. - However, the Ultralife Reef Red Slime Remover claims to be enough for 300 gallons but it's only enough for 250 if you measure it according to their specifications.The underlying problem of red slime comes from too much food, silicates or other pollution. Keep this in mind when you are treating for Red slime. - eliminate it's food source, then treat.
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