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All OASE brand products valued over $ 100.00 (except clearout specials) qualify for FREE GROUND SHIPPING in the 48 States. We will manually remove the shipping charges added by our shopping cart and adjust your order total. ** Our regular shipping & handling charges apply to all other items listed on this page. Please click here for details.

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Pond Filters OASE Biotec 4 Gravity Discharge Filter Biostar 4 Gravity Discharge Filter with UV

Biotec 4 Oklahoma UPS Ground All OASE purchases valued over $ 50.00 qualify for FREE UPS GROUND SHIPPING throughout the 48 States. We will manually remove the shipping charges added by our shopping cart and adjust your order total.

Cloudy, dirty water and strong algae growth are common problems in ponds. These problems are caused by floating particles due to an excessive supply of nutrients, dead plants, over-fertilized soil, acid rain, fish excrement and left-over food. These particles produce ammonia which is harmful to all living beings. OASE's unique Biotec Filter System transforms ammonia into nitrite using a natural process. The nitrite is then changed into harmless nitrate. Nitrate actually constitutes a healthy nutrient conducive to plant growth. The mechanical filtration process is carried out by various structured foam filters, the biological process through naturally occuring bacteria that settle on bio-elements. Easy handling and cleaning Features coarse and fine filter pads + Zeolite as polishing filter media Available with or without UVC Made in Germany 3-year manufacturer's limited warranty on pond filter (warranty does not cover foam pads) 1-year manufacturer's limited warranty on Biostar UVC unit (warranty does not cover UVC bulb) UVC MUST be plugged in to a properly grounded and GFCI (Ground Fault Circuit Interrupter) protected 120 Volt outlet (applies to Biostar 4 UVC filter only) ! This product will not eliminate blanketweed/string algae Not for use in swimming pools or salt water

	Biotec 4	Biostar 4
Part Number	55891	55892
UVC included	no	yes, OASE Bitron 9 Watt
Filter Pads included	one coarse, one fine	one coarse, one fine
Polishing Filter Media	Zeolite, 4.4 lbs.	Zeolite, 4.4 lbs.
Max. Effective Pond Volume for Decorative Ponds - No Fish (gallons) *	2200	1500
Max. Effective Pond Volume for Ponds with Normal Fish Stocking Levels (gallons) *	1000	1000
Max. Effective Pond Volume for Ponds with High Fish Stocking Levels or Koi Ponds (gallons) *	700	700
Max. Flow Rate at Filter Inlet (GPH)	1300	1300
Max. Amount of Flow Exposed to UVC Bulb (GPH)	n/a	400
Inlet Size	3/4" to 1-1/2" barbed	3/4" to 1-1/2" barbed
Discharge Size	2.76"	2.76"
Dimensions (L x W x H)	22" x 22" x 14.6"	22" x 22" x 14.6"
	Biotec 4 Please go to our Clearance Sale Page - please scroll down for replacement parts	Biostar 4 This item has been discontinued by OASE - please scroll down for replacement parts

* All figures are based on the following assumptions: Minimum pond depth of 18 inches. Max. flow rate shown above is circulated through the filter. Filter is operated continuously.
Pond size recommendations are approximate and are only given for general guidance. All performance data were obtained under controlled conditions. Real-world performance may vary due to local circumstances.

Biotec 4 and Biostar 4 filters come with a 3/4" to 1-1/2" barbed inlet adapter. Additional adapters are not required.

PART #	DESCRIPTION	PRICE
88716	3" Outlet Tubing fits Biotec 4 / 5 / 5.1 / 10 / 10.1 / 12 / 18 / 30 / 36 priced per ft.	$ 9.25** 1 23 4 5

Tubing

OASE Aquamax SF Filtration Pumps

OASE Aquamax  Filtration Pumps

PART #	DESCRIPTION	PRICE
54984	Replacement UVC Bulb fits Biostar 4	$ 89.98** 1 23 4 5
55047	Replacement Filter Pad Set	$ 49.98** 1 234 5

August 07, 2004
I wanted to write and thank you for all your efforts and help with my exchange.  Within 24 hours of installing the Biotec 4, my pond was noticably clearer.  Within 48 hours, the water was crystal clear.
Again, you guys have been exceptional with your service and I just wanted to thank-you again.  I have recommended you to a couple of guys at my work who are in the process of installing ponds themselves.  I hope you hear from them.
Thanks again,
Mark
 

Aeration Pumps Algae Control Aquatic Plant Care Clearance Sale Container Water Gardens Decoys Deicers Filter Media Filters Filtration Systems Fish & Koi Food Fish Medications Fish Nets Fitting Centre Floating Critters Floating Fountains Floating Planters. Foggers Fountains Hose & Adapters Jumping Jets. Landscape Lighting Leaf Netting Lighting Liners & Underlay Mosquito Control Parts Plumbing Parts Pond Kits & Packages Pondless Water Features Pond Protection Power Control Centres Predator Control Pumps, External Pumps, Submersible Skimmers Spitters Statuary Pumps Transformers Tubing & Adapters UVCs Vacuums Valves Waterfall Foam Waterfall Weirs Water Treatment Winter Care   Pond Planner Great website. Pond Planner is best in business. James, Mansfield, LA   I just received the replacement pump (in just a few days). PondsOnline is fantastic. I have been a customer of yours since I installed a pond 2 years ago and am so impressed with service and now your warranty support. I could not expect anything more from a vendor. I will continue to use PondsOnline for all my pond  supplies. Thanks Again. Michael, Massapequa, NY More Customer Testimonials

. .OASE SwimSkim Floating Pond Skimmer   What is Verified by VISA ? Serving the pond & water garden market since 1986 and selling online since 1997, we are one of the original Internet mailorder companies and the oldest OASE dealer in North America. Over the past 22 years, thousands of Americans from coast to coast have come to rely on us for expert advice and quality products. Please contact us for any questions you may have about ponds and water gardens.   Check out our Truckload Sale Page for huge savings on pumps, filters, complete pond filtration systems, and much more. Click here and save.   OASE Biotec 4 Pond Filter ONLY $ 115.00 OASE Pondomatic ONLY $ 269.98 Sludge on the pond bottom ? Debris accumulating in crevices ? Fish waste starting to pile up ? For a natural, simple and fast way to remove debris and decaying organic matter from water gardens or fish ponds, the Pondomatic is the perfect solution. Available at the perfect price to get your summer maintenance season started.           OASE Jumping Jet Rainbow Star The new generation of the Rainbow Star combines functionality, virtually unlimited creative freedom, and unique design. The combination possibilities give the system an individual flair. The integrated RGB light can be freely selected and can be supported in its effect by numerous switchable running light functions. Rainbow Star can also cut the water for additional interesting effects. Fountain Reservoirs A disappearing fountain is a great way to add the sound of water to a garden or patio and can easily be created. First, place the reservoir in the ground and select a pot, statue, or fountain. Then, add a submersible pump. Cover the grate with a variety of stones and pebbles, and you have created a disappearing fountain. The reinforced reservoir provides ample space for water, pump, and plumbing.