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FREE SHIPPING ON ORDERS OVER $100 AUSTRALIA-WIDE* (T&C's Apply - exc Bulky Items)
FREE SHIPPING ON ORDERS OVER $100 AUSTRALIA-WIDE* (T&C's Apply - exc Bulky Items)

Poly Septic Tanks

Poly septic tanks, also known as polyethylene septic tanks, are durable and efficient wastewater treatment systems designed for residential and commercial applications. These tanks are made from high-density polyethylene (HDPE) material, which provides excellent strength, corrosion resistance, and longevity. 

Our range poly septic tanks offer numerous advantages. Firstly, their sturdy construction guarantees reliability and the ability to withstand impact, cracking, and corrosion. With their efficient design, they effectively treat wastewater by separating solids and safely draining treated water into the ground. Installation is a breeze thanks to their lightweight nature, and minimal maintenance is required, saving you time and effort.

  • GRAF Septic Tanks - Australia-wide
  • Coerco Septic Tanks - WA sales only
  • Leach Drain Systems for Septic Systems - Perth Only Product Name: Effluent Diverter (100MM Sewer), 7.20Mtr (W/ 31 Large Panels 30 Small Panels & Geocloth 8.5M x 2M), 7.92Mtr (W/ 34 Large Panels 33 Small Panels & Geocloth 9.0M x 2M), 8.64Mtr (With 37 Large Panels 36 Small Panels & Geocloth 10M x 2M), 9.36Mtr (W/ 40 Large Panels 39 Small Panels & Geocloth 10.5M x 2M), 10.08Mtr (W/ 43 Large Panels 42 Small Panels & Geocloth 11M x 2M), 10.80Mtr (W/ 46 Large Panels 45 Small Panels & Geocloth 12M x 2M), 11.52Mtr
    Original price $210.10 - Original price $2,937.00
    Original price
    From $210.10
    $210.10 - $2,937.00
    Current price $210.10

    Leach Drain Systems for Septic Systems with Geocloth - Perth Only

    Leach Drain Systems for Septic Systems with Geocloth - Perth Only  DOWNLOAD INSTALLATION GUIDE PLEASE CONTACT US TO CONFIRM STOCK AVAILAB...

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  • 1450ltr Poly Septic Tank Title: Default Title
    Original price $1,101.10 - Original price $1,101.10
    Original price
    $1,101.10
    $1,101.10 - $1,101.10
    Current price $1,101.10

    Coerco 1450LTR Poly Septic Tank Perth (1250mm D X 1500mm H)

    1450 Litre Poly Septic Tank Perth (1250mm D X 1500mm H)  DOWNLOAD PRODUCT INFORMATION & INSTALLATION GUIDE APPROXIMATE 2-3 WEEKS PRODUC...

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  • 4000ltr Poly Septic Tank (Baffled) Title: Default Title
    Original price $1,950.00 - Original price $1,950.00
    Original price $1,950.00
    $2,486.00
    $2,486.00 - $2,486.00
    Current price $2,486.00

    Coerco 4000LTR Poly Septic Tank with Baffle Perth (2200mm D x 1770mm H)

    4000 Litre Poly Septic Tank with Baffle Perth APPROXIMATE 2-3 WEEKS PRODUCTION TIME ON ALL SEPTIC TANKS COERCO septic tanks are manufactured th...

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  • 2200ltr Poly Septic Tank Title: Default Title
    Original price $1,149.50 - Original price $1,149.50
    Original price
    $1,149.50
    $1,149.50 - $1,149.50
    Current price $1,149.50

    Coerco 2200LTR Poly Septic Tank Perth (1540mm D X 1500mm H)

    2200 Litre Poly Septic Tank Perth (1540mm D X 1500mm H)  DOWNLOAD PRODUCT INFORMATION & INSTALLATION GUIDE APPROXIMATE 2-3 WEEKS PRO...

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  • 3200LTR Poly Septic Tank (Baffled) Title: Default Title
    Original price $2,183.50 - Original price $2,183.50
    Original price
    $2,183.50
    $2,183.50 - $2,183.50
    Current price $2,183.50

    Coerco 3200LTR Poly Septic Tank with Baffle Perth (2150mm D x 1745mm H)

    3200 Litre Poly Septic Tank with Baffle Perth  DOWNLOAD PRODUCT INFORMATION DOWNLOAD INSTALLATION GUIDE APPROXIMATE 2-3 WEEKS PRODUCTION TI...

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  • Original price $288.20 - Original price $288.20
    Original price
    $288.20
    $288.20 - $288.20
    Current price $288.20

    Coerco 300mm Poly Septic Tank Riser with Lid suites 1450LTR - 31,000TR

    300mm Poly Septic Tank Riser with Lid For 1450Ltr-31000Ltr (450mm Diamater)  DOWNLOAD SPEC SHEET The Coerco 300mm Poly Septic Tank Riser wit...

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  • Original price $3,915.43 - Original price $3,915.43
    Original price
    $3,915.43
    $3,915.43 - $3,915.43
    Current price $3,915.43

    GRAF Carat 6500LTR Poly Septic Tank with Baffle Perth (2390L x 2710H x 2190W)

    GRAF Carat 6500LTR Poly Septic Tank with Baffle (Freight not included) GRAF Carat 6500L Septic Tank with Internal Baffle, engineered for exception...

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  • Original price $2,282.07 - Original price $2,282.07
    Original price
    $2,282.07
    $2,282.07 - $2,282.07
    Current price $2,282.07

    GRAF Carat 2700LTR Poly Septic Tank with Baffle Perth (2080L x 2010H x 1565W)

    GRAF Carat 2700LTR Poly Septic Tank with Optional Baffle (Freight not included) GRAF Carat 2700L Septic Tank with Internal Baffle, engineered for ...

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  • Original price $3,496.35 - Original price $3,496.35
    Original price
    $3,496.35
    $3,496.35 - $3,496.35
    Current price $3,496.35

    GRAF Carat 4800LTR Poly Septic Tank with Baffle Perth (2280L x 2430H x 1985W)

    GRAF Carat 4800LTR Poly Septic Tank with Baffle (Freight not included) GRAF Carat 4800L Septic Tank with Internal Baffle, engineered for exception...

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  • Original price $2,657.10 - Original price $2,657.10
    Original price
    $2,657.10
    $2,657.10 - $2,657.10
    Current price $2,657.10

    GRAF Carat 3750LTR Poly Septic Tank with Baffle Perth (2280L x 2200H x 1755W)

    GRAF Carat 3750LTR Poly Septic Tank with Baffle (Freight not included) GRAF Carat 3750L Septic Tank with Internal Baffle, engineered for exception...

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  • Original price $1,534.50 - Original price $2,841.30
    Original price
    From $1,534.50
    $1,534.50 - $2,841.30
    Current price $1,534.50

    EZGREY GFPS-A 30L Below Ground Grey Water Reuse System for Blocks Less than 400sqm (Laundries, Showers, Basins, Air Cons)

    EZGREY GFPS-A 30L Below Ground Grey Water Reuse System for Blocks Less than 400sqm (100mm Inlet)  DOWNLOAD PRODUCT SPECIFICATIONS AND INSTALLATI...

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  • Original price $13,363.90 - Original price $13,363.90
    Original price
    $13,363.90
    $13,363.90 - $13,363.90
    Current price $13,363.90

    Coerco 11000LTR Poly Septic Tank with Baffle Perth

    Coerco 11000LTR Poly Septic Tank with Baffle Perth DELIVERY AVAILABLE ONLY TO SELECTED AREAS IN WA  Download Product Brochure APPROXIMATE 2...

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  • Original price $7,199.50 - Original price $7,199.50
    Original price
    $7,199.50
    $7,199.50 - $7,199.50
    Current price $7,199.50

    Coerco 7000LTR Poly Septic Tank with Baffle Perth

    7000LTR Poly Septic Tank with Baffle Perth DELIVERY AVAILABLE ONLY TO SELECTED AREAS IN WA Download Product Brochure APPROXIMATE 2-3 WEEKS P...

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