SunSun JUP-23 13W UV Sterilizer Submersible Pump

I have a 60 gallon fresh water tank and use a Marineland Magnum 350 Canister Filter to keep it clean. But I have always had a slight haze in my tank that I never seem to be able to get rid of no matter what I do. I installed this 13 watt UV Sterilizer and within 4 days of putting it in the tank my water is now crystal clear. This thing is amazing! And it is absolutely silent in operation. It has a water flow adjustment on it that I turned down to about half flow to allow the water more exposure time to the UV light. I don't know if that helped or not but I didn't need the amount of flow that it was putting out as the Magnum 350 already creates quite a current in the tank as it is. I wish I knew about these things years ago. The difference in water clarity is absolutely stunning. I can't stop staring at my tank now because it is so crystal clear. The fish even seem to be more active and appear to be healthier and happier. I highly recommend this to anyone with an aquarium. The only con is that it is quite large. I plan to get some tall plants to try to hide it a little better. Oh, it also didn't come with any directions which surprised me. But it's really simple to figure out and the illustration on the side of the box explains most of where everything is. Except it doesn't mention anything about the air adjustment valve on the top where an airline is attached to add bubbles to the water flow. Simply turn it counter-clockwise to increase the bubbles or clockwise to decrease or turn the bubbles off. I keep mine set to off. I find the bubbles noisy and I already have a good aerator in the tank anyway.

This is my second brand of uv I've owned. The last one was the 9w aquatop brand. This has a lower water rate than the 9w which for me is a good thing. The whole idea is to steralize not to be a power head. So, the stronger light + lower water flow rate from the unit in my opinion does a wonderful job. A little bulky in the back of the tank. I leave my on 24/7. But u less u have a bigger tank watch ur temperatures. All uv lights will raise temp slightly. More so the smaller the tank. All and all for 50$... Just buy it you will be happy.

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I had floating green algae bloom in a 29 gallon freshwater aquarium and it was so bad that I couldn't see the fish. This product produced crystal clear water.

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The SunSun UV sterilizer is a great product for the price. It was definitely instrumental in clearing up the yellowish water in my 55 gal. aquarium. I would recommend this product to everyone.

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I never thought my tank would stay crystal clear. I had several large pond fish in a large tank and it always had foggy water no matter how much i cleaned it. I placed the SunSun JUP-23 13W UV Sterilizer Submersible Pump in the tank turned it on and added some water clear drops to help it out. with in hours there was crystal clear water and has stayed that way for months.

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