{"product_id":"slim-space-saver-water-butt","title":"Slim Space Saver Water Butt – 100 Litre Slimline Water Butt","description":"\u003ch2\u003eA Slim 100 Litre Reservoir That Fits Where Round Tanks Won't\u003c\/h2\u003e\u003cp\u003eThe \u003cstrong\u003eSlim Space Saver Water Butt\u003c\/strong\u003e is a rigid, heavy-duty \u003cstrong\u003e100 litre\u003c\/strong\u003e water butt with a narrow footprint of about \u003cstrong\u003e36 × 32 cm\u003c\/strong\u003e, so it stands in the corner of a grow tent, against a greenhouse wall or beside a downpipe without taking over the floor. Use it as a \u003cstrong\u003enutrient reservoir\u003c\/strong\u003e for gravity-fed systems such as \u003cstrong\u003eAutoPot\u003c\/strong\u003e, as a supply tank for pumped irrigation, as a back-up solution tank for gully and DualFlow systems, or to collect \u003cstrong\u003erainwater\u003c\/strong\u003e for watering.\u003c\/p\u003e\u003ch3\u003eKey Benefits\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e100 litre capacity\u003c\/strong\u003e in a tall, slim body that saves floor space.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRigid, heavy-duty build\u003c\/strong\u003e – holds its shape full or empty and stands securely on its own.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDark, opaque wall\u003c\/strong\u003e – keeps light out of stored water and nutrient solution, which discourages algae.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLid and base tap\u003c\/strong\u003e – fill from the top and draw off at the bottom.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGravity-feed ready\u003c\/strong\u003e – raise it on a stand to supply AutoPot and other gravity-fed systems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRainwater storage\u003c\/strong\u003e – collect soft, low-mineral rainwater as a clean starting point for feeding.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eShort on Floor Space for a Reservoir?\u003c\/h3\u003e\u003cp\u003eA round tank or flexible reservoir of the same volume takes a big bite out of a tent or greenhouse floor, leaving less room for plants and airflow. A slim butt stores 100 litres upright, so the space goes to growing instead. Collecting rainwater helps too: in hard-water areas tap water carries calcium carbonate that pushes pH up and uses part of the EC budget before any nutrient goes in, while rainwater gives a cleaner base for consistent \u003cstrong\u003enutrient uptake\u003c\/strong\u003e.\u003c\/p\u003e\u003ch3\u003eHow to Use\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePosition:\u003c\/strong\u003e stand it on firm, level ground – 100 litres of water weighs about \u003cstrong\u003e100 kg\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGravity feed:\u003c\/strong\u003e raise it on a stand (sold separately) so the water level sits above the pots or system it supplies.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePumped irrigation:\u003c\/strong\u003e lower a submersible pump in through the top and run the feed line out under the lid.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCover:\u003c\/strong\u003e keep the lid on to block light and keep out debris and insects.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClean:\u003c\/strong\u003e empty and rinse it between batches of nutrient solution so residue and algae cannot build up.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cdiv class=\"hcs-specs\"\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCapacity:\u003c\/strong\u003e 100 litres\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e approx. 36 × 32 × 96 cm (D × W × H)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConstruction:\u003c\/strong\u003e rigid, heavy-duty plastic with a dark, opaque finish\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFittings:\u003c\/strong\u003e lid and tap at the base\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight (empty):\u003c\/strong\u003e approx. 2.7 kg\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUses:\u003c\/strong\u003e nutrient reservoir, gravity-feed supply tank, back-up solution tank, rainwater storage\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStand:\u003c\/strong\u003e not included\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\u003cdiv class=\"hcs-faq\"\u003e\n\u003cdetails style=\"border:1px solid #e6e6e6;border-radius:8px;padding:12px 16px;margin:0 0 8px;\"\u003e\u003csummary style=\"cursor:pointer;font-weight:600;\"\u003eCan I use it with an AutoPot system?\u003c\/summary\u003e\u003cp style=\"margin:10px 0 0;\"\u003eYes – it is made for gravity-fed systems such as AutoPot. Set it on a stand so the reservoir sits above the pots, then connect the system's supply line at the base.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails style=\"border:1px solid #e6e6e6;border-radius:8px;padding:12px 16px;margin:0 0 8px;\"\u003e\u003csummary style=\"cursor:pointer;font-weight:600;\"\u003eDoes it come with a stand?\u003c\/summary\u003e\u003cp style=\"margin:10px 0 0;\"\u003eNo, the stand is sold separately. Raising the butt gives gravity-fed systems the head of water they need and makes it easier to fill a watering can from the tap.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails style=\"border:1px solid #e6e6e6;border-radius:8px;padding:12px 16px;margin:0 0 8px;\"\u003e\u003csummary style=\"cursor:pointer;font-weight:600;\"\u003eWill it fit in a grow tent?\u003c\/summary\u003e\u003cp style=\"margin:10px 0 0;\"\u003eAt about 36 × 32 cm across and 96 cm tall it takes up very little floor space. If you plan to raise it on a stand inside a tent, check the tent's height first.\u003c\/p\u003e\u003c\/details\u003e\n\u003c\/div\u003e\u003ch3\u003eWorks Well With\u003c\/h3\u003e\u003cdiv class=\"hcs-related\" style=\"display:flex;flex-wrap:wrap;gap:10px;margin:12px 0 0;\"\u003e\n\u003ca href=\"\/products\/autopot-system\" style=\"flex:1 1 240px;display:flex;align-items:center;gap:12px;padding:10px 12px;border:1px solid #e6e6e6;border-radius:8px;text-decoration:none;color:inherit;background:#fff;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0748\/7127\/5786\/files\/autopot-system.jpg?v=1787260281\u0026amp;width=160\" alt=\"AutoPot System\" width=\"64\" height=\"64\" loading=\"lazy\" style=\"width:64px;height:64px;object-fit:contain;flex:none;\"\u003e\u003cspan style=\"font-size:14px;line-height:1.4;\"\u003e\u003cstrong style=\"display:block;\"\u003eAutoPot System\u003c\/strong\u003e\u003cspan style=\"color:#008d37;\"\u003eGravity-fed pots it can supply\u003c\/span\u003e\u003c\/span\u003e\u003c\/a\u003e\u003ca href=\"\/products\/newa-maxi-jet-pumps\" style=\"flex:1 1 240px;display:flex;align-items:center;gap:12px;padding:10px 12px;border:1px solid #e6e6e6;border-radius:8px;text-decoration:none;color:inherit;background:#fff;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0748\/7127\/5786\/files\/Newa-Maxi-500-irrigation-pump-medium_landscape.jpg?v=1746904627\u0026amp;width=160\" alt=\"NEWA Maxi-Jet Submersible Pumps\" width=\"64\" height=\"64\" loading=\"lazy\" style=\"width:64px;height:64px;object-fit:contain;flex:none;\"\u003e\u003cspan style=\"font-size:14px;line-height:1.4;\"\u003e\u003cstrong style=\"display:block;\"\u003eNEWA Maxi-Jet Submersible Pumps\u003c\/strong\u003e\u003cspan style=\"color:#008d37;\"\u003ePumps feed out of the reservoir\u003c\/span\u003e\u003c\/span\u003e\u003c\/a\u003e\u003ca href=\"\/products\/hailea-water-heaters\" style=\"flex:1 1 240px;display:flex;align-items:center;gap:12px;padding:10px 12px;border:1px solid #e6e6e6;border-radius:8px;text-decoration:none;color:inherit;background:#fff;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0748\/7127\/5786\/files\/Hailea-Water-Heaters-medium_landscape.jpg?v=1746905285\u0026amp;width=160\" alt=\"Hailea Water Heaters\" width=\"64\" height=\"64\" loading=\"lazy\" style=\"width:64px;height:64px;object-fit:contain;flex:none;\"\u003e\u003cspan style=\"font-size:14px;line-height:1.4;\"\u003e\u003cstrong style=\"display:block;\"\u003eHailea Water Heaters\u003c\/strong\u003e\u003cspan style=\"color:#008d37;\"\u003eKeeps nutrient solution warm\u003c\/span\u003e\u003c\/span\u003e\u003c\/a\u003e\n\u003c\/div\u003e","brand":"Hydro Crop Shop","offers":[{"title":"100L","offer_id":53930844160266,"sku":"HYD-HYDR-017-01","price":34.9,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0748\/7127\/5786\/files\/slim-space-saver-water-butt-100l-1.jpg?v=1792275322","url":"https:\/\/hydrocropshop.co.uk\/products\/slim-space-saver-water-butt","provider":"Hydro Crop Shop","version":"1.0","type":"link"}