Mardel Maracyn

Always helpful and will spend the time to get it right.

This product was effective in clearing my 75 gallon tank of blue green algae. It is a less expensive option over API Erythromycin.

Bought 2 boxes of 24 count@$19.99 each. Lot # 1509, Exp. Date: 05/30/22. Used as directed to treat body fungus on Platties. Did not eliminate fungus. Product boxes advertised “Fish Care Brochure Inside” which was missing from both
boxes, this may have been useful for diagnosing and treatment. Medication packets can trap product if not fully shaken down and expanded before tearing open. Generally unconvinced product is effective or worth the cost.
I have been keeping tropical fish and aquariums since 1970.

Bought this to have on hand 'cause ya just never know.

Bought this to clear up some blue-green algae (which I learned how to do by watching the channel). This cleared it up in 3 days. It has been ~2 months since and hasn't come back, because I learned to rebalance my tank also from watching the channel. Thanks!