

API Stress Coat Water Conditioner 64 fl.oz, Pack of 2
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HEMI Bird
Greater than one weekThis product helps Koi get used to our large pond.
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Masslady
> 3 dayThis is all I have ever used in my aquariums.It works.Ive purchased many things from amazon also but when I saw 2 for $32.99 jumped on it but should have checked before hitting that buy button it jumped up to $43.99 & next time before buying anything here will check before hitting the buy button purchasing.
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Spencer Jette
Greater than one weekGreat deal and long shelf life
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Art K
> 3 dayGreat!
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Elder Prep
Greater than one weekAlthough my inexpensive goldfish did not cost very much when purchased as tiny minnows at the pet store, now they are 9 inches in length, a wonderful golden-orange color, playful and always eager to be fed. I add the Stress Coat whenever Im adding water to the pond from our garden hose connected to the local utility. I highly recommend this product.
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Lydia Ashby
Greater than one weekUse this product for outside koi pond and aquarium Love it keeps fish healthy
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Maron
Greater than one weekalways good quality, this is something you can trust on the koi fish pond.
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EJ Guru
> 3 dayCriminal activity here. Sending half-sized bottle twice, while charging for full size.
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Sharon Burch
06-06-2025Great Value. Petsmart stopped carrying it
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Penny jo Berman
Greater than one weekWorks great!