Plastic Tanks QLD
Australian-made poly water tanks — manufactured at Carole Park, Brisbane since 2005
Specials
Current discounted stock — limited quantities. Call (07) 3271 1305 to reserve.
22,500 Litre — Slate Grey (10 Only)
RRP $3,540
$3,195
Ø3,500mm — H2,950mm. Call to reserve.
View ProductRound Poly Water Tanks
PTQ round poly water tanks are one-piece rotomoulded polyethylene rainwater and water storage tanks manufactured at Carole Park, Brisbane. Available from 340 litres to 30,000 litres in the full Colorbond® colour range, all tanks are made from food-grade UV-stabilised polyethylene certified to AS2070/AS4020 and carry a 10-year manufacturer's guarantee. Standard fittings include a brass outlet, ball valve, overflow fitting, and strainer.
View full round tank specs, FAQs, and ordering information →
Underdeck Rainwater Tanks
PTQ underdeck tanks are ultra-low-profile polyethylene rainwater tanks engineered to fit beneath Queensland high-set homes and decks — available in 1,000L, 1,500L, and 2,000L. Heights start at just 294mm. Food-grade AS2070/AS4020, one-piece rotomoulded, 10-year guarantee.
View full underdeck tank specs, FAQs, and access requirements →
Slimline Poly Water Tanks
PTQ slimline tanks are space-saving one-piece rotomoulded polyethylene rainwater tanks designed to fit along fences, walls, and building boundaries — available from 1,280L to 5,080L. The narrowest model is just 565mm wide. Same food-grade AS2070/AS4020 polyethylene and 10-year guarantee as the round range.
View full slimline specs, FAQs, and size comparison →
Plastic Tanks QLD has been manufacturing rotomoulded polyethylene tanks in Brisbane since 2005. A family-owned Queensland business, every tank is made at our Carole Park factory — no imports, no resellers. Our membership with the Association of Rotational Moulders Australasia (ARMA) reflects our commitment to manufacturing standards and industry best practice. All tanks are made from food-grade polyethylene certified to AS2070 and AS4020, engineered to withstand Queensland's climate, and backed by a 10-year manufacturer's guarantee.
Septic & Pumpout Tanks
PTQ poly septic and pumpout tanks are one-piece rotomoulded polyethylene wastewater tanks, available from 660L to 4,000L. The 3,200L and 4,000L RELN-brand tanks are certified to AS/NZS 1546.1:2008. Significantly lighter than concrete alternatives, with warranties of 10–15 years. Note: 4,000L models are pickup only from Carole Park.
View full septic tank specs, Australian Standards compliance, and FAQs →
3,200 Litre Septic — With Partition
RRP $1,908
$1,723
With Partition — W1,998mm — H2,038mm
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4,000 Litre Septic Tank
RRP $2,762
$2,451 — Pickup Only
No Partition — W1,998mm — H2,410mm
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4,000 Litre Septic — With Partition
RRP $2,941
$2,744 — Pickup Only
With Partition — W1,998mm — H2,410mm
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Garden Products
PTQ's garden range covers Australian-made rotomoulded polyethylene vessels for outdoor living and water-wise gardening — from 9L buckets to 450L troughs, plus wicking garden beds, outdoor baths, greywater tanks, handwash stations, and storage bins. All food-grade, UV-stabilised, and backed by a 10-year guarantee.
View full garden product range and specs →
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