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Review on TetraPond Algae Control Block - 1-Ounce, 50-Count by Nathan Theriault

Revainrating 5 out of 5

This removed most of my algae.

. With these blocks I threw two into my pond and it started to clear up. Every week I add one to the filter return and it helps. In fact, I can't remember the last time I saw rocks at the bottom. Also, my pond plants didn't get injured or die as some people have written.

Pros
  • . Great for me.
Cons
  • . Nothing here.