First to the lady that gave it a 1 star, if you're not using purified water, nothing will help. This stuff is awesome. Within an hour, the cloud is gone. I bought that white Caribbean sand, while it is beautiful, it has FINE particles, that causes a terrible cloud, when you first add water to it. This and several filters cleared the water. Now I get very thin clouds and this stuff has it gone, within an hour. LOVE IT!!
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Rushed to Pet store to purchased when my tank got cloudy. Added to water. Waited and waited. No help. Changed 1/2 water, filter added bacteria, reduced feeding, cleaned tank and plants. . Slight improvement. added again waited several days no help. Stupid me thought I had bad batch so bought on internet. Same results. Doesn't work for me. Instructions on internet says be patient. Instructions on bottle says, do not add unless 24 hour apart. Do not over dose. Scared I will kill fish. So quit using reduced feeding and it got better almost disappeared..
Verified purchase: Yes | Condition: New
mabey it was just me but I used it like I was supposed to an it did not clear up my tank. I have a 55 gal in living room with very few fish, don't know what happened but it got cloudy after I put in fresh water. Never did that before. I used that whole bottle over a period of time an it took 4 weeks to clear up. Changed filters put in some plants to try to help. Now its crystal clear. Not sure why it took so long or what caused the cloudy water soooooooo I would try it again,just to see if it was not Api not working. It probably does work in most tanks. I would recommend trying it.
Verified purchase: Yes | Condition: New
This is the most economical product of its' kind, but do not overuse. Follow the directions. More is not better.
Verified purchase: Yes | Condition: New
I use this product almost weekly. It takes the cloudiness out of the water from other elements. I really don't know what I would do without it. I rely on it a lot. Does not harm to the fish. I use one cap full when I notice my water turning slightly off "clear".
Verified purchase: Yes | Condition: New
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