{"product_id":"oase-subflo-pack-4-d","title":"OASE SubFlo Pack 4 D – complete aeration for lakes and large, deep ponds up to 16,000 m²","description":"\u003cp\u003e\u003cstrong\u003eThe OASE SubFlo 4 D pack\u003c\/strong\u003e includes all the equipment needed to aerate a lake or large, deep pond from the bottom, at depths of 2 to 10 m, covering \u003cstrong\u003eup to 16,000 m²\u003c\/strong\u003e, depending on its depth and shape. A shore-mounted base, 4 diffusers placed on the bottom, and the tubing to connect them: you receive a complete, compatible system that is ready to install.\u003c\/p\u003e\u003cul\u003e\n\n\u003cli\u003e✓ Up to 16,000 m²\u003c\/li\u003e\n\n\u003cli\u003e✓ Depth of 2 to 10 m\u003c\/li\u003e\n\n\u003cli\u003e✓ 4 aeration points\u003c\/li\u003e\n\n\u003cli\u003e✓ SAD 200 compressor · 200 L\/min\u003c\/li\u003e\n\n\u003cli\u003e✓ Quiet, invisible at the surface\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\u003ch2\u003eWhat the pack includes\u003c\/h2\u003e\u003cdiv style=\"overflow-x:auto\"\u003e\u003ctable style=\"width:100%;border-collapse:collapse\"\u003e\u003ctbody\u003e\n\n\u003ctr\u003e\n\n\u003cth\u003eItem\u003c\/th\u003e\n\n\u003cth\u003eQty\u003c\/th\u003e\n\n\u003cth\u003eUnit price\u003c\/th\u003e\n\n\u003cth\u003eTotal\u003c\/th\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003e\n\n\u003ca href=\"\/en\/products\/oase-subflo-base-4-d-aerateur-pour-grands-etangs\"\u003eSubFlo Base 4 D\u003c\/a\u003e – base with SAD 200 compressor\u003c\/td\u003e\n\n\u003ctd\u003e1\u003c\/td\u003e\n\n\u003ctd\u003e€3,196.74\u003c\/td\u003e\n\n\u003ctd\u003e€3,196.74\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003e\n\n\u003ca href=\"\/en\/products\/oase-subflo-diffuser-d-diffuseur-d-air-pour-eau-profonde\"\u003eSubFlo Diffuser D\u003c\/a\u003e – deep-water diffuser\u003c\/td\u003e\n\n\u003ctd\u003e4\u003c\/td\u003e\n\n\u003ctd\u003e€392.72\u003c\/td\u003e\n\n\u003ctd\u003e€1,570.88\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003e\n\n\u003ca href=\"\/en\/products\/oase-subflo-tubing-l-30-m-tuyau-d-air-de-rive-o-12-mm\"\u003eSubFlo Tubing L 30 m\u003c\/a\u003e – from the base to the water's edge\u003c\/td\u003e\n\n\u003ctd\u003e1\u003c\/td\u003e\n\n\u003ctd\u003e€155.44\u003c\/td\u003e\n\n\u003ctd\u003e€155.44\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003eWeighted SubFlo Tubing H – from the water's edge to the diffusers: \u003ca href=\"\/en\/products\/oase-subflo-tubing-h-30-m-tuyau-d-air-leste-o-8-mm\"\u003e30 m\u003c\/a\u003e or \u003ca href=\"\/en\/products\/oase-subflo-tubing-h-150-m-tuyau-d-air-leste-o-8-mm\"\u003e150 m\u003c\/a\u003e\n\n\u003c\/td\u003e\n\n\u003ctd\u003e1\u003c\/td\u003e\n\n\u003ctd\u003e€179.53 \/ €863.42\u003c\/td\u003e\n\n\u003ctd\u003e€179.53 \/ €863.42\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003e\u003cstrong\u003eTotal for items purchased separately\u003c\/strong\u003e\u003c\/td\u003e\n\n\u003ctd\u003e\u003c\/td\u003e\n\n\u003ctd\u003e\u003c\/td\u003e\n\n\u003ctd\u003e\u003cstrong\u003e€5,102.59 (30 m) \/ €5,786.48 (150 m)\u003c\/strong\u003e\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003e\u003cstrong\u003ePack price (– 5%)\u003c\/strong\u003e\u003c\/td\u003e\n\n\u003ctd\u003e\u003c\/td\u003e\n\n\u003ctd\u003e\u003c\/td\u003e\n\n\u003ctd\u003e\u003cstrong\u003e€4,846.95 (30 m) \/ €5,496.95 (150 m)\u003c\/strong\u003e\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\n\u003c\/tbody\u003e\u003c\/table\u003e\u003c\/div\u003e\u003cp\u003e\u003cem\u003eChoose the pack and save 5% compared with buying the items separately.\u003c\/em\u003e\u003c\/p\u003e\u003ch2\u003eHow the installation is set up\u003c\/h2\u003e\u003csvg viewbox=\"0 0 480 262\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" role=\"img\" style=\"width:100%;max-width:640px;height:auto;display:block;margin:14px 0 4px\" aria-label=\"Schéma du pack : la base sur la rive envoie l'air par le Tubing L jusqu'au bord de l'eau, puis une longueur de Tubing H lesté rejoint chacun des quatre diffuseurs posés au fond\"\u003e\u003cpath d=\"M0 78H118L150 240H0Z\" fill=\"#6b4f2e\"\u003e\u003c\/path\u003e\u003cpath d=\"M0 70H120V80H0Z\" fill=\"#88be22\"\u003e\u003c\/path\u003e\u003cpath d=\"M124 82H480V240H152Z\" fill=\"#b9dbe8\"\u003e\u003c\/path\u003e\u003cpath d=\"M126 82H480V140H137Z\" fill=\"#e2f1f6\"\u003e\u003c\/path\u003e\u003cpath d=\"M152 226Q320 216 480 226V240H152Z\" fill=\"#6b4f2e\"\u003e\u003c\/path\u003e\u003crect x=\"8\" y=\"40\" width=\"52\" height=\"30\" rx=\"6\" fill=\"#273a48\"\u003e\u003c\/rect\u003e\u003ccircle cx=\"20\" cy=\"55\" r=\"4\" fill=\"#88be22\"\u003e\u003c\/circle\u003e\u003cpath d=\"M60 62H120\" stroke=\"#e07b2a\" stroke-width=\"5\" fill=\"none\"\u003e\u003c\/path\u003e\u003ccircle cx=\"122\" cy=\"64\" r=\"4\" fill=\"#273a48\"\u003e\u003c\/circle\u003e\u003cg fill=\"none\" stroke=\"#5f6b72\" stroke-width=\"2.5\"\u003e\u003cpath d=\"M122 64Q150 150 212 218\"\u003e\u003c\/path\u003e\u003cpath d=\"M122 64Q170 140 282 218\"\u003e\u003c\/path\u003e\u003cpath d=\"M122 64Q190 130 352 218\"\u003e\u003c\/path\u003e\u003cpath d=\"M122 64Q210 120 422 218\"\u003e\u003c\/path\u003e\u003c\/g\u003e\u003cg fill=\"#3d5a0c\"\u003e\u003crect x=\"196\" y=\"214\" width=\"32\" height=\"8\" rx=\"4\"\u003e\u003c\/rect\u003e\u003crect x=\"266\" y=\"214\" width=\"32\" height=\"8\" rx=\"4\"\u003e\u003c\/rect\u003e\u003crect x=\"336\" y=\"214\" width=\"32\" height=\"8\" rx=\"4\"\u003e\u003c\/rect\u003e\u003crect x=\"406\" y=\"214\" width=\"32\" height=\"8\" rx=\"4\"\u003e\u003c\/rect\u003e\u003c\/g\u003e\u003cg fill=\"#fff\" stroke=\"#273a48\" stroke-width=\"1\"\u003e\u003ccircle cx=\"212\" cy=\"200\" r=\"3\"\u003e\u003c\/circle\u003e\u003ccircle cx=\"214\" cy=\"172\" r=\"3.5\"\u003e\u003c\/circle\u003e\u003ccircle cx=\"210\" cy=\"140\" r=\"4\"\u003e\u003c\/circle\u003e\u003ccircle cx=\"212\" cy=\"104\" r=\"4.5\"\u003e\u003c\/circle\u003e\u003ccircle cx=\"282\" cy=\"200\" r=\"3\"\u003e\u003c\/circle\u003e\u003ccircle cx=\"284\" cy=\"172\" r=\"3.5\"\u003e\u003c\/circle\u003e\u003ccircle cx=\"280\" cy=\"140\" r=\"4\"\u003e\u003c\/circle\u003e\u003ccircle cx=\"282\" cy=\"104\" r=\"4.5\"\u003e\u003c\/circle\u003e\u003ccircle cx=\"352\" cy=\"200\" r=\"3\"\u003e\u003c\/circle\u003e\u003ccircle cx=\"354\" cy=\"172\" r=\"3.5\"\u003e\u003c\/circle\u003e\u003ccircle cx=\"350\" cy=\"140\" r=\"4\"\u003e\u003c\/circle\u003e\u003ccircle cx=\"352\" cy=\"104\" r=\"4.5\"\u003e\u003c\/circle\u003e\u003ccircle cx=\"422\" cy=\"200\" r=\"3\"\u003e\u003c\/circle\u003e\u003ccircle cx=\"424\" cy=\"172\" r=\"3.5\"\u003e\u003c\/circle\u003e\u003ccircle cx=\"420\" cy=\"140\" r=\"4\"\u003e\u003c\/circle\u003e\u003ccircle cx=\"422\" cy=\"104\" r=\"4.5\"\u003e\u003c\/circle\u003e\u003c\/g\u003e\u003cg font-size=\"14\" fill=\"#273a48\" text-anchor=\"middle\"\u003e\u003ctext x=\"34\" y=\"30\" font-weight=\"700\"\u003eBase\u003c\/text\u003e\u003ctext x=\"60\" y=\"100\" font-weight=\"700\" fill=\"#fff\"\u003eTubing L\u003c\/text\u003e\u003ctext x=\"305\" y=\"72\" font-weight=\"700\"\u003e4 diffuseurs, 4 points d'aération\u003c\/text\u003e\u003ctext x=\"300\" y=\"256\"\u003eTubing H : une longueur par diffuseur\u003c\/text\u003e\u003c\/g\u003e\u003c\/svg\u003e\u003cp\u003e\u003cem\u003eIllustrative diagram: Tubing L is shown in orange; the lengths of Tubing H running to each diffuser are shown in grey.\u003c\/em\u003e\u003c\/p\u003e\u003col\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eThe base on the shore\u003c\/strong\u003e: install the SubFlo Base 4 D in a dry location near a 230 V outlet. Its SAD 200 compressor delivers up to 200 L of air per minute continuously.\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eFrom the base to the water's edge: Tubing L\u003c\/strong\u003e. UV-resistant and low-friction, it carries air from the base to the pond's edge, up to a maximum distance of 30 m.\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eFrom the water's edge to the diffusers: Tubing H\u003c\/strong\u003e. Weighted to sink by itself and stay on the bottom, the roll can be cut into one length per diffuser, tailored to the distance to each one.\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eOn the bottom: 4 SubFlo Diffuser D units\u003c\/strong\u003e, supplied empty and weighted on site with gravel or sand. Their ultra-fine bubbles oxygenate the bottom and circulate the entire water column.\u003c\/li\u003e\n\n\n\u003c\/ol\u003e\u003ch2\u003e30 m or 150 m of weighted tubing?\u003c\/h2\u003e\u003cdiv style=\"overflow-x:auto\"\u003e\u003ctable style=\"width:100%;border-collapse:collapse\"\u003e\u003ctbody\u003e\n\n\u003ctr\u003e\n\n\u003cth\u003eOption\u003c\/th\u003e\n\n\u003cth\u003eBest suited to\u003c\/th\u003e\n\n\u003cth\u003eLength per diffuser\u003c\/th\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003eTubing H 30 m\u003c\/td\u003e\n\n\u003ctd\u003eDiffusers positioned close to the shore\u003c\/td\u003e\n\n\u003ctd\u003eAbout 7.5 m each\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003eTubing H 150 m\u003c\/td\u003e\n\n\u003ctd\u003eDiffusers positioned far from shore, in the centre or in deep areas\u003c\/td\u003e\n\n\u003ctd\u003eAbout 37 m each\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\n\u003c\/tbody\u003e\u003c\/table\u003e\u003c\/div\u003e\u003cp\u003e\u003cem\u003eOn a lake covering several hectares, the deepest areas are often far from shore, making the 150 m option the right choice. Not sure? Send us a site plan and we'll calculate the distances.\u003c\/em\u003e\u003c\/p\u003e\u003ch2\u003eWhy aerate from the bottom?\u003c\/h2\u003e\u003cp\u003eIn summer, a deep body of water separates into layers: warm, oxygenated water at the surface and cold water depleted of oxygen at the bottom. Organic matter decomposes poorly there: silt builds up, gases such as hydrogen sulfide and methane form, and the nutrients released fuel algae growth. With 4 aeration points on the bottom, SubFlo breaks down this stratification across the entire area: oxygen reaches where it is needed, and the bacteria that digest organic matter can work effectively again.\u003c\/p\u003e\u003ch2\u003eThe SubFlo system in video\u003c\/h2\u003e\u003cdiv style=\"position:relative;padding-bottom:56.25%;height:0;overflow:hidden\"\u003e\u003ciframe src=\"https:\/\/www.youtube-nocookie.com\/embed\/gV_GUZnaaa0\" title=\"OASE SubFlo – underwater aeration for bodies of water\" loading=\"lazy\" style=\"position:absolute;top:0;left:0;width:100%;height:100%;border:0\" allowfullscreen\u003e\u003c\/iframe\u003e\u003c\/div\u003e\u003ch2\u003eInstallation specifications\u003c\/h2\u003e\u003cdiv style=\"overflow-x:auto\"\u003e\u003ctable style=\"width:100%;border-collapse:collapse\"\u003e\u003ctbody\u003e\n\n\u003ctr\u003e\n\n\u003cth\u003eSpecification\u003c\/th\u003e\n\n\u003cth\u003eSubFlo 4 D pack\u003c\/th\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003eIndicative area\u003c\/td\u003e\n\n\u003ctd\u003eUp to 16,000 m² (depending on depth and shape)\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003eWater depth\u003c\/td\u003e\n\n\u003ctd\u003e2 to 10 m\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003eCompressor\u003c\/td\u003e\n\n\u003ctd\u003eSAD 200, up to 200 L\/min, continuous operation\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003ePower supply\u003c\/td\u003e\n\n\u003ctd\u003e230 V \/ 50–60 Hz, 800 W, 10 m cable\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003eAeration points\u003c\/td\u003e\n\n\u003ctd\u003e4 SubFlo Diffuser D units (EPDM, up to 9,000 L\/h of air each)\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003eTubing\u003c\/td\u003e\n\n\u003ctd\u003eTubing L 30 m (Ø 12 mm, UV-resistant) + Tubing H 30 m or 150 m (Ø 8 mm, weighted)\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003eWater\u003c\/td\u003e\n\n\u003ctd\u003eFreshwater only (not for swimming pools or seawater)\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\n\u003c\/tbody\u003e\u003c\/table\u003e\u003c\/div\u003e\u003ch2\u003eHave our experts check your installation\u003c\/h2\u003e\u003cp\u003eBefore ordering, send us the area, maximum depth, and a plan or photo of your body of water at \u003ca href=\"mailto:support@foudebassin.com?subject=Pack%20SubFlo%204%20D\"\u003esupport@foudebassin.com\u003c\/a\u003e, or call \u003ca href=\"tel:+3210860354\"\u003e+32 (0)10 86 03 54\u003c\/a\u003e. We'll check that the pack is suitable and advise you on diffuser placement and the length of tubing required. Aquiflor has been supporting waterbody managers since 1998 and visits sites in Belgium and France to assess your body of water.\u003c\/p\u003e\u003ch2\u003eFor a healthy body of water that lasts\u003c\/h2\u003e\u003cp\u003eAeration creates the right conditions; bacteria do the work. Pair SubFlo with \u003ca href=\"\/en\/collections\/bactovase-reducteur-de-vase-en-etang-naturel\"\u003eAquipond Bactovase\u003c\/a\u003e to break down accumulated silt, and check the water's KH: below 7 °dH, add minerals first with \u003ca href=\"\/en\/products\/nautex-en-sac-de-25kg-craie-coccolithique-pour-bassin\"\u003eNautex\u003c\/a\u003e.\u003c\/p\u003e","brand":"Oase","offers":[{"title":"30 m","offer_id":55827561546070,"sku":"PACK-SUBFLO-4D-30","price":4846.95,"currency_code":"EUR","in_stock":true},{"title":"150 m","offer_id":55827561578838,"sku":"PACK-SUBFLO-4D-150","price":5496.95,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0009\/9221\/5099\/files\/image_mvjq9vidnp663cj4tm97e2ji4v__88274.1785801931_f9244d3f-499e-4321-85c6-0e776c176c62.webp?v=1792321479","url":"https:\/\/www.foudebassin.com\/en\/products\/oase-subflo-pack-4-d","provider":"FOUDEBASSIN.COM","version":"1.0","type":"link"}