5000 Litre “Tall” Round Poly Water Tank (QTank) - 1850mm x 2100mm

This 5,000 Litre "Tall" Round Poly Water Tank which suits new homes, suburban areas, gardens and pool top-ups.

Price $1,050.00 GST incl.

Customer Care Guarantee
Height 2,100 mm
Inlet Height 2,100 mm
Diameter 1,850 mm
Weight 112.5 kg
Availability SE QLD, Nth NSW
  • Tank Shop ensures smooth experience with manufacturer
  • Professional Tank Delivery (only $99 within delivery zone)
  • 50% off delivery on additional poly tanks (save $49.50)
  • Tank Siting (access permitting, 1 additional able-bodied person required)

Current ETA* 3 weeks

* Estimates only. May vary based upon holidays, distance, tank size and shape. Contact us if you need a tank sooner.

NOTE: Deliveries are now fully booked for 2024. New deliveries currently booking for mid-January 2025.

Poly tanks are delivered throughout South-East Queensland and northern NSW from manufacturing facility in Brendale.

  • Full “Quality Test Report” With Strength Test Results
  • Independent Certification to Australian Standards (AU/NZS 4766)
  • Advanced UV-Stablised Polyethylene Formula
  • 100% Food-Grade Poly Safe For Drinking
  • Delivered As One Solid Piece (No Seams or Tops Cut)
  • Fully Self-Supporting (No Inner Poles)
  • 10 Year Warranty – Repair or Replace at No Cost To You!

Includes Tank Fit Kit Valued Over $80

Poly Tank Free Accessories Included

  • *Tank Colour

  • Add Pump?

    • Retails for with tank
    Save by bundling a pump with your tank. If unsure which pump, please select a pump to view more information on that particular pump.
    ✔ REEFE PRJ052 is an external pump recommended for outdoor use and pumping water from tanks to gardens. It is rated for between 2-4 taps with a maximum flow rate of 55L/min. RRP $550. (view more info)
    ✔ CLAYTECH INOX 230A is an external multi-stage pump recommended for pumping water from tanks to the entire house. It is rated for up to 7 taps, with a maximum flow rate of 100L/min and max head pressure of 35 metres. RRP $913. (view more info)
    ✔ REEFE PRM100E (95L/min Flow Rate, 38m Head Pressure, 7-12 outlets) is an external multistage pump constructed with the best quality materials giving class-leading efficiency and reliability, with quiet, consistent and vibration free operation. Ideal for domestic and commercial applications. It has the benefit of a power-saving design that uses up to 30% less power than similar brands. RRP $1071. (view more info)
    ✔ REEFE PRM135E (100L/min Flow Rate, 52m Head Pressure, 9-15 outlets) is an external multistage pump constructed with the best quality materials giving class-leading efficiency and reliability, with quiet, consistent and vibration free operation. Ideal for domestic and commercial applications. It has the benefit of a power-saving design that uses up to 30% less power than similar brands. RRP $1235. (view more info)
    ✔ CLAYTECH INOX 240A is an external multi-stage pump recommended for pumping water from tanks to the entire house. It is rated for up to 8 taps, with a maximum flow rate of 100L/min and max head pressure of 48 metres. Tank Shop price normally $725. Save $50 when ordering poly tank.
    REEFE RPS34E (80L/min Flow Rate, 32m Head Pressure, 4-6 outlets) is a submersible pressure pump with float is a domestic pump recommended for pumping water from tanks to gardens and household use. It has an integrated pressure controller for easier installation and seamless operation with rainwater tanks. 100% European made for exceptional quality and performance, this pump is compact, lightweight and robust for extended service life across various applications. RRP $1141. (view more info)
    REEFE RPS57E (90L/min Flow Rate, 57m Head Pressure, 6-9 outlets) is a submersible pressure pump with float is a domestic pump recommended for pumping water from tanks to gardens and two story houses. It has an integrated pressure controller for easier installation and seamless operation with rainwater tanks. 100% European made for exceptional quality and performance, this pump is compact, lightweight and robust for extended service life across various applications. RRP $1359. (view more info)
    REEFE RM5000-3 RPS34E (Rain-Mains Valve Set, 80L/min Flow Rate, 32m Head Pressure, 4-6 outlets) is a submersible pressure pump with float and rain-mains valve set. Recommended for plumbing in water from tank to laundry and/or toilet. It has an integrated pressure controller for easier installation and seamless operation with rainwater tanks. 100% European made for exceptional quality and performance, this pump is compact, lightweight and robust for extended service life across various applications. (view more info)
    ✔ REEFE RPS036F (100L/min Flow Rate, 36m Head Pressure, 4-6 outlets) is a submersible pressure pump with float valve. Recommended for single story buildings and granny flats where plumbing into few outlets are required. It has an integrated pressure controller for easier installation and seamless operation with rainwater tanks. (view more info)
    ✔ REEFE RM5000-3 RPS036F (Rain-Mains Valve Set, 100L/min Flow Rate, 36m Head Pressure, 4-6 outlets) is a submersible pressure pump with float and rain-mains valve set. Recommended for single story buildings and granny flats where plumbing in water from tank to laundry and/or a couple toilets is required. It has an integrated pressure controller for easier installation and seamless operation with rainwater tanks. RRP $1391.
    ✔ CLAYTECH BLUEDIVER C30A is a submersible pump (sits inside your tank) that comes with a separate pressure controller unit (Aquatron), which is rated for up to 5 taps with a maximum flow rate of 95L/min. Tank Shop price normally $620. Save $50 when ordering poly tank.
    ✔ CLAYTECH DIVERTRON C7 is a submersible pump (sits inside your tank) with a built-in pressure management, which is rated for up to 7 taps with a maximum flow rate of 95L/min.

    ✔ ACQUASAVER® is recommended if plumbing in your tank water to toilets and washing machines. It handles automatically switching to mains water when your tank is empty and back again. As a solid brass valve, it works entirely by hydraulics, has no moving parts and requires no electricity. This item is supplied as a separate item to pump.

    ✔ REEFE RainPro (RM1500-2 Floatless Rain-to-Mains Valve) is recommended if plumbing in your tank water to toilets and washing machines. It handles automatically switching to mains water when your tank is empty and back again. As a solid brass valve, it works entirely by hydraulics, has no moving parts and requires no electricity. 25mm inlet; 25mm outlet; 100L/min. RRP $563. (view more info)

    ✔ REEFE RainPro (RM1600-2 Floatless Rain-to-Mains Valve) is recommended if plumbing in your tank water to toilets and washing machines. It handles automatically switching to mains water when your tank is empty and back again. As a solid brass valve, it works entirely by hydraulics, has no moving parts and requires no electricity. 25mm inlet; 20mm outlet; 50L/min. RRP $462. (view more info)

    Add Pump Cover?

    Protect your pump from the weather and your pump warranty by purchasing a poly pump cover made in the same colour as your tank.

    Pump Cover (Q Tank)

    Unless your pump will be under cover we recommend a pump cover to protect your pump and its warranty. We can supply poly covers for external pumps, which will be in the same colour as your tank unless advised otherwise.
    ✔ POLY PUMP COVER has been added to your order. It will be in the same colour as your tank unless otherwise advised. (view more info

    Tank Fitout (if unknown, leave blank)

    Overflow Position

    90mm Overflow is located at high up on the wall of your tank and best positioned closest to the stormwater drainage point. 

    IMPORTANT: Overflow hole on your tank will be left undrilled for you or your plumber to do onsite as needed. Overflow fitting will be provided loosely with your tank.

    Ball Valve Position

    1" (25mm) Ball Valve Outlet is located at ankle height on your tank and is where you will access water from your tank and/or connect to external pump.

    IMPORTANT: Ball valve outlet is moulded into your tank, but is covered with a thick poly seal that will be left undrilled for you or your plumber to do onsite as needed. Ball valve will be provided loosely with your tank.
    IMPORTANT: Outlet and ball valve will be provided loosely with your tank for you or your plumber to do onsite as needed.

    Bucket Tap Position

    Bucket Tap is located about knee height on your tank and is where you will be able to fill buckets from.

    IMPORTANT: Bucket tap outlet is moulded into your tank, but is covered with a thick poly seal that will be left undrilled for you or your plumber to do onsite as needed. Tap fitting will be provided loosely with your tank.

    Additional Tank Fittings?

    Select Additional Tank Fittings


    Additional Fittings Positions

    Tank Shop will follow up and email a diagram to double-ensure your tank order is correct.
SKU: QT-RD-1850-2100| Availability: 
Made to Order All water tanks are made to order according to your specific requirements.
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† Every care is taken to ensure that the information on this website is accurate at the time of publishing. Unfortunately, errors can occur, and information may also change over time. As such, before acting on any information found on this website please either first confirm it with us in writing or use at your own risk.

Important Notice: Tank Shop is a true family business and from 22 Nov to 11 Dec we will be taking a much-needed break! As we recharge, please kindly note that we won't be available to take phone calls. Rest assured that emails and online orders will be promptly attended to. Thank you for your continued support and understanding!

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