Urchin grows fast
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Lasse
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Yea - and it is a prove that it does what it should ;) Your algae is converted into urchin flesh instead and they are many times more beautiful to look at - compared with algae all over :p
Sincerely Lasse
Sincerely Lasse
robbyg
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The long spine urchins are the best algae eaters I have ever seen. They will mow down a 100 gallon tank with GHA in about two weeks. The only downside is they will eat the coralline algae also.
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