I have owned an Oase (pronounced oh-ah-sir) aquamax 10,000 for 3yrs, and it has been in use everyday, for twenty-four hours a day, without any kind of malfunction. Which is exactly what I require from a pump that is working a gravity fed filter for a pond full of koi carp.
This pump is capable of pumping 1980 gallons per hour, although you will lose some of this through friction in the pipes and if you are pumping to a higher point than the pump itself, (this is called head and all pumps suffer from it). It can pass small solids up to 10mm without jamming, which stops snails and other small debris clogging it up.
Although not the cheapest (available mail order for approx. £150:00 when I acquired mine) in terms of reliability it has certainly justified it’s price, I have used cheaper pumps on my ponds only to have them fail soon after manufacturers warranty expires (normally one year). The Qase comes with a three-year warranty, 10 meter cable and is rated at 110w which means it not expensive to run. All in all a nice reliable product.
UPDATE: 26/03/02 Perhaps not the best op in the world,but I would just like to say this pump is still going strong, which might make it the best pump in the world, credit to oase for a quality product.
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I can recommend oase pumps too they are very well constructed. Ada!
MRSCANADA 14.04.2002 02:32
A nice review on a topic I know nothing about so I'll have to trust you..LL
voodoo__child 16.03.2001 14:53
nice lot of facts, and useful info regarding the product - however i do like to see more feeling added to ops as it makes a more interseting read. its just a personal prefence. nice one.