{"product_id":"oase-subflo-4-d-pack-complet-aeration-par-le-fond-4-diffuseurs-lacs-et-grands-etangs-jusqua-16-000-m","title":"OASE SubFlo 4 D Complete set – Bottom aeration, 4 diffusers – Lakes and large ponds up to 16,000 m²","description":"\u003cp\u003eThis OASE SubFlo 4 D pack provides the complete installation for bottom aeration of a lake or large pond between 2 and 10 m deep, up to 16,000 m² depending on the depth and shape of the water body. The base is placed on the shore, the 4 diffusers at the bottom, and the included hoses connect everything together.\u003c\/p\u003e\u003ch2\u003ePack contents\u003c\/h2\u003e\u003ctable\u003e\n\n\u003cthead\u003e\u003ctr\u003e\n\n\u003cth\u003eItem\u003c\/th\u003e\n\n\u003cth\u003eQuantity\u003c\/th\u003e\n\n\n\u003c\/tr\u003e\u003c\/thead\u003e\n\n\u003ctbody\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003e\n\n\u003ca href=\"\/en\/products\/oase-subflo-base-4-d\"\u003eSubFlo Base 4 D\u003c\/a\u003e – base with SAD 200 compressor\u003c\/td\u003e\n\n\u003ctd\u003e1\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003e\u003ca href=\"\/en\/products\/oase-subflo-diffuser-d\"\u003eSubFlo Diffuser D\u003c\/a\u003e\u003c\/td\u003e\n\n\u003ctd\u003e4\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\"\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\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003eSubFlo Tubing H weighted – from the edge to the diffusers, \u003ca href=\"\/en\/products\/oase-subflo-tubing-h-30-m\"\u003e30 m\u003c\/a\u003e or \u003ca href=\"\/en\/products\/oase-subflo-tubing-h-150-m\"\u003e150 m\u003c\/a\u003e depending on the variant\u003c\/td\u003e\n\n\u003ctd\u003e1\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\n\u003c\/tbody\u003e\n\n\n\u003c\/table\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e\u003ctbody\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003eIndicative surface 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\u003eFrom 2 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 (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\u003eHoses\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\u003eFresh water only (no pools or seawater)\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\n\u003c\/tbody\u003e\u003c\/table\u003e\u003ch2\u003eInstallation\u003c\/h2\u003e\u003col\u003e\n\n\u003cli\u003ePlace the base in a dry location on the shore, near a 230 V outlet.\u003c\/li\u003e\n\n\u003cli\u003eConnect it to the water's edge using the UV-resistant Tubing L (maximum 30 m).\u003c\/li\u003e\n\n\u003cli\u003eCut the weighted Tubing H into 4 lengths, one for each diffuser; it sinks on its own and remains on the bottom.\u003c\/li\u003e\n\n\u003cli\u003eWeight the diffusers on-site with gravel or sand, then place them at the bottom.\u003c\/li\u003e\n\n\n\u003c\/ol\u003e\u003ch2\u003e30 m or 150 m of weighted hose\u003c\/h2\u003e\u003ctable\u003e\n\n\u003cthead\u003e\u003ctr\u003e\n\n\u003cth\u003eVariant\u003c\/th\u003e\n\n\u003cth\u003eConfiguration\u003c\/th\u003e\n\n\u003cth\u003eLength per diffuser\u003c\/th\u003e\n\n\n\u003c\/tr\u003e\u003c\/thead\u003e\n\n\u003ctbody\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003e30 m\u003c\/td\u003e\n\n\u003ctd\u003eDiffusers close to the edge\u003c\/td\u003e\n\n\u003ctd\u003eapprox. 7.5 m\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003e150 m\u003c\/td\u003e\n\n\u003ctd\u003eDiffusers far from the shore, in the center or in pits\u003c\/td\u003e\n\n\u003ctd\u003eapprox. 37 m\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\n\u003c\/tbody\u003e\n\n\n\u003c\/table\u003e\u003ch2\u003eWhy aerate from the bottom\u003c\/h2\u003e\u003cp\u003eIn summer, a deep body of water stratifies: warm, oxygenated water at the surface, and cold water increasingly poor in oxygen at the bottom. Organic matter decomposes poorly there, sludge accumulates, gases such as hydrogen sulfide and methane form, and the released nutrients feed algae. By injecting air at the bottom, SubFlo breaks this stratification and restores favorable conditions for the bacteria that break down organic matter.\u003c\/p\u003e\u003ch2\u003eGood to know\u003c\/h2\u003e\u003cul\u003e\n\n\u003cli\u003eBefore ordering, send the surface area, maximum depth, and a plan or photo to \u003ca href=\"mailto:support@aquiflor.com\"\u003esupport@aquiflor.com\u003c\/a\u003e or call +32 (0)10 86 03 54: the Aquiflor team will check the sizing, placement of the diffusers, and hose length.\u003c\/li\u003e\n\n\u003cli\u003eTo break down accumulated sludge, combine aeration with \u003ca href=\"\/en\/products\/aquipond-bactovase-permet-de-reduire-la-vase-en-etang-naturel\"\u003eAquipond Bactovase\u003c\/a\u003e.\u003c\/li\u003e\n\n\u003cli\u003eCheck the KH: if below 7 °dH, mineralize first with \u003ca href=\"\/en\/products\/nautex-en-sac-de-25kg-craie-coccolithique-pour-bassin\"\u003eNautex\u003c\/a\u003e.\u003c\/li\u003e\n\n\n\u003c\/ul\u003e","brand":"Oase","offers":[{"title":"30 m","offer_id":56391341474177,"sku":"PACK-SUBFLO-4D-30","price":4518.95,"currency_code":"EUR","in_stock":true},{"title":"150 m","offer_id":56391341506945,"sku":"PACK-SUBFLO-4D-150","price":4547.95,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0737\/1810\/4382\/files\/image_mvjq9vidnp663cj4tm97e2ji4v__88274.1785801931_f9244d3f-499e-4321-85c6-0e776c176c62.webp?v=1791839119","url":"https:\/\/aqoishop.com\/en\/products\/oase-subflo-4-d-pack-complet-aeration-par-le-fond-4-diffuseurs-lacs-et-grands-etangs-jusqua-16-000-m","provider":"Boutique Aquishop","version":"1.0","type":"link"}