Fish Mate 2500 GUV Gravity UV Plus Bio Pond Filter- with Flip-Up Lid & Flow Gauge for Advanced Filtration & Clear Water

This is my fourth one. Works a treat. Clear water, after a couple of days. I would recommend this Filter. Ease to fit. Not a bad price. Good quality. Should be good for two or three years.

My small garden pond was suffering from a heavy algae contamination. The filter on my pump was constantly clogging. I took a chance on this as an extra filter. There was an ideal place on the side of my pond so locating was simple, though it needed a power supply so I had to change my single outdoor socket to a double to accommodate the extra plug. Size is ok and, the green colour means it is not too obtrusive. I may, in the future, disguise it with plants, but at present am not too worried about appearance, as long as this filter is effective at maintaining a healthy pond. At first I was a bit sceptical as to its effectiveness so I started changing some of the water by removing a couple of buckets full daily for a few days. Suddenly I noticed a definite difference in the clarity of the water. Over a couple of days it cleared and now I can see right to the bottom of the pond, which is a remarkable transformation. The uv tube in this filter is only 8 watt so I haven’t noticed any significant increase in electrical cost on our smart meter. The existing pump seems to cope with supplying a steady trickle of water to the filter, whist still maintaining a “bell” fountain head. As another reviewer suggested, inside there is a space between the filter media and the 2 outlets so, like him, I put in a standard, cheap, kitchen sponge scourer which is a perfect fit, slows the water to allow the filter more time to work and gives any easily accessible extra means to clean out any algae and debris caught up in it. Just open the lid, lift out the scourer and rinse under the tap! Simple but very effective!.. I’m very happy with the difference this has made.

This filter is really good cleared green water in 3 days, but they didn't tell you that hosees are not included and also pump unless you have fountain with waterfall outlet, The hose that is on the page as often bought together, is the wrong size, had to re-order the large outlet hose and order the smaller inlet hose, Checksizes before buying

Easy to set up although a plug is required. Good value. Water input pipe from the pond pump can be tricky to make watertight as the inlet hole is not very wide. Box easy to set up but after installation cleaning flap is best held in place with a heavy stone or brick to prevent it being blown open by the wind. Not an attractive pond feature unless you can conceal the box but very effective at clearing the algae from the pond.

I purchased this as a present & the recipient seems well pleased with it

This filter has really exceeded my expectations considering how green my pond was. It is important that the water volume of the pond is within the specified parameters stated. As per instruction leaflet I found that between two to three weeks there was a definite difference and I was able to see my fish, and after six weeks I had total clarity. The filter medium is easy to clean and takes no more than a couple of minutes, I would recommend doing this perhaps once a week for the first month or until the pond is clear. This is a great product and well worth the money.

Pond filter, easy to install easy to maintain nothing complicated

Perfect clear water 😁very happy