Koi Pond Filters

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Tetra Pond ClearChoice Filters

The ClearChoice® Advantage Efficient bio-filtration in a compact package.

Tetra Clear Choice filter. Tetra Clearchoice biological filter.

Tetra Pond's Bio-filter (Discontinued) utilizes a trickle down tower design. This filter makes a great indoor filter for quarantine tanks (QT) or other smaller Koi ponds. Science proves that the trickle tower type biological filtering is by far the best design. Cleaning is done about 1 - 2 times a year to clean debris from the mechanical sponge filter pads, making this filter easy and hands off once the bacteria are cycled. (Which takes 3 -5 days on an established pond, or 21 days for new ponds after fish are added.)

We tested the Clear Choice filter on a 100 gal. indoor QT tank with great results. This filter has proven to be amazing no matter how often the fish where fed. With six eight inch fish already in the tank, we added two 16 inch Koi fish, then increased feeding to 9 times a day for weeks. Testing resulted in no jump in Ammonia! Summed up: Great design and compact!


	PF-1 Clear Choice (for small ponds) Use with 1200 gallon Water Gardens (or with 500 gallon Koi Ponds) Dia. 15.25" Ht. 12.5" Maximum flow-500 gallons per hour	Discontinued

	PF-2 Clear Choice (for medium ponds) Use with 1800 gallon Water Gardens (or with 1000 gallon Koi Ponds) Dia. 15.25" Ht. 17.5" Maximum flow-750 gallons per hour	Discontinued

	PF-3 Clear Choice (for larger ponds) Use with 2400 gallon Water Gardens (or with 1500 gallon Koi Ponds) Dia. 15.25" Ht. 22.5" Maximum flow-1000 gallons per hour	Discontinued

	CCRP Clear Choice Replacement pads (One Blue pre-filter sponge and one Activated carbon pad removes harmful chemicals, discoloration and improves water clarity) Consider replacing the pads once a year. Dia. 15" - Fits PF-1, PF-2, PF-3 filters.	Discontinued

Easy out-of-pond accessibility and simple maintenance.
Mechanical pre-filter sponges-remove suspended debris to improve water clarity.
Bio Ring media provide massive surface areas for beneficial aerobic bacteria to adhere to and multiply. Aerobic bacteria eat the ammonia toxins created by fish waste and decomposing plant materials.
TetraPond internal spray systems and Trickle Flow technology disperses pond water slowly and evenly through the Bio Rings ensuring that there is sufficient oxygen to provide optimal bio-filtration conditions.
1.25" drain fitting
Interchangeable .75", 1" intake fittings
Ventura inlet aerates water and thus enhances bio-activity

Note: OASE Aquarius series pumps make an excellent choice for this filtering system.

4 Stages of Clean Choice Cycle:

Intake - Water is pumped into top inlet and dispersed by Trickle-Flow spray bar.
Mechanical Filtration - Sponged debris removed by filter sponge pads.
Bio-Filtration - Water trickles over the bio-rings that provide massive surface area for aerobic bacteria to thrive:
Ventura inlet supplies oxygen for aerobic bacteria.
The beneficial bacteria on the bio-rings convert ammonia into nitrites and the nitrates.
Discharge and Nitrate Removed - Purified water is discharged out the bottom of filter to the pond. Nitrates can be removed from the pond by aquatic plants and/or partial water changes.

(See numbered picture at top of page)

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Tetra Pond ClearChoice Filters

The ClearChoice® Advantage Efficient bio-filtration in a compact package.