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Reviews (29)

10 May, 2016
Using Instant Ocean to maintain fish and corals
I have used this product for many years and it maintains my 4 tanks with a water change every 4 months and top up of plain water to replace evaporated water. I additionally add calcium iron and Iodine on a weekly basis and run a UV to keep the water good. All my corals (hard and soft) are healthy and growing and my fish remain healthy over several years.

13 Jun, 2016
UV filter
quiet operation bright uv and no bulbs to replace.

13 Jun, 2016
uv too dim when compared to 500 model bought from Germany
Only know UV not working because I had a 500 model which was much brighter