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

 
Biotec 4 / Biostar 4 Filters
Replacement Parts
Accessory Products


 
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
This item has been discontinued by OASE - 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** 

Tubing

OASE Aquamax SF Filtration Pumps

OASE Aquamax  Filtration Pumps


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

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
 



What is Verified by VISA ?



Jumping Jet
Rainbow Star
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Parts, parts, and more parts. Please check out our Parts Catalog for replacement filter foams, impellers, volutes. etc. We also stock replacement parts for ultrasonic foggers.

I just received the replacement pump (in just a few days).
PondUSA 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 PondUSA for all my pond  supplies.
Thanks Again.
Michael, Massapequa, NY

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