Customer Reviews


Instant Ocean Natural Nitrate Reducer for Aquariums
9 Reviews
9 Reviews
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do not buy this poduct
By Trax on Apr 15, 2021
Turned into a solid when put in the tank made long white strings did not disove into the water. It simply did not work
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Works well
By tropics48 on Feb 22, 2021
Only 2 doses had my 40 gallon cichlid tank back to normal. Very easy to use and worked well.
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great product
By Carl on Jan 13, 2021
This is a great product at a great price. Lower price than any pet store in my area. Lowered my Nitrates to 0-10 within about a week to 10 days. Didn't cloud up my water either :)
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Does NOT work!
By DogMom88 on Aug 10, 2020
Bought multiple bottles thinking the nitrates were just through the roof, but it did absolutely nothing! Followed directions exactly and ZERO change in nitrate level.
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Doesn’t work
By Saltwater on Jun 2, 2018
I tried this and exactly like they recommended and it didn’t work and didn’t do anything. If you want to get rid of nitrate! Get no3 nitrate reducer which is the Red Sea brand! Got rid of nitrate to 0 in a week and safly but you have to follow the directions carefully
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Use with caution in canister filter
By Halfpint63 on Feb 28, 2018 top500Contributor
Added this Nitrate Reducer per directions, shake well, 10ml for 10 gallons per week. Within 24 hours the Flow Alert was going off on my Fluval G6, removed the Pre-filter and cleaned it, placed back in canister and within a few hours had to remove it again. The filter fins were completely blocked again! Added to a HOB Filter instead but still had to replace the Pre-filter!
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Great product
By Fishlvr on Jan 18, 2018
Fast shipping worked great, would buy it again. As always great price
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HAPPY AS CAN BE (YA HOO)
By bernie on Apr 27, 2017
hesitate to try this product, advertise as salt water product. read that the company instant ocean said it can be used in freshwater. try it it work perfectly my nitrate drop to normal very happy with the product will buy again price is just right the bottle could be bigger but happy with the results.
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great product
By goatrainer on Jan 18, 2017
I have used twice, has cleaned up good, fish seem to be more active.