{"title":"Geotech Bladder Pumps","description":"\u003cp\u003eGeotech portable and dedicated bladder pumps, geocontrol PRO controllers, and tubing reels for low-flow (micro-purge) groundwater sampling.\u003c\/p\u003e\u003cp\u003eNot sure what fits your wells? Browse by pump diameter instead — \u003ca href=\"\/collections\/bladder-pump-system-1-66\"\u003e1.66\"\u003c\/a\u003e for 2\" wells, \u003ca href=\"\/collections\/bladder-pump-system-0-85\"\u003e0.85\"\u003c\/a\u003e for 1\" wells, or \u003ca href=\"\/collections\/bladder-pump-system-0-675\"\u003e0.675\"\u003c\/a\u003e for 3\/4\" wells and direct-push points.\u003c\/p\u003e","products":[{"product_id":"geotech-bladder-pump","title":"Geotech GeoControl Pro \u0026 Bladder Pump Kits","description":"\u003cp\u003eThe \u003cstrong\u003egeocontrol PRO™\u003c\/strong\u003e is the controller that drives a Geotech bladder pump. It meters compressed air into the pump on a timed cycle — you set the drive and vent intervals, and the controller repeats them precisely, which is what produces the steady, low-turbidity flow that low-flow sampling protocols require.\u003c\/p\u003e\n\u003cp\u003eSupplied in a field case with a 12V cord and battery. Pressure range 0–100 PSI, cycle timing 0–180 seconds.\u003c\/p\u003e\n\u003ch3\u003eKit or controller only\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePump kits\u003c\/strong\u003e pair the controller with a pump in your well diameter — 1.66\", 0.85\" or 0.675\" — and include the battery. The straightforward way to start from nothing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePFAS-free kits\u003c\/strong\u003e are the same package built with documented fluoropolymer-free wetted materials, for programs where PFAS is an analyte. Same price as standard.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eController only\u003c\/strong\u003e ships without a pump or battery, for anyone adding a second controller to an existing fleet.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCompleting your system\u003c\/h3\u003e\n\u003cp\u003eBeyond the controller and pump you will need bladders, bonded tubing and a reel — all sized to your pump diameter. Each diameter has a collection gathering everything that fits:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/envirotechonline.com\/collections\/bladder-pump-system-1-66\" title='1.66\" Bladder Pump System'\u003e1.66\" Bladder Pump System\u003c\/a\u003e — for 2\" wells\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/envirotechonline.com\/collections\/bladder-pump-system-0-85\" title='0.85\" Bladder Pump System'\u003e0.85\" Bladder Pump System\u003c\/a\u003e — for 1\" wells\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/envirotechonline.com\/collections\/bladder-pump-system-0-675\" title='0.675\" Bladder Pump System'\u003e0.675\" Bladder Pump System\u003c\/a\u003e — for 3\/4\" wells and direct-push points\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eAccessories\u003c\/h3\u003e\n\u003cp\u003eBladders, bonded tubing, drop tube intake assemblies, quick connects and coated suspension cable are all stocked separately — see the full \u003ca href=\"https:\/\/envirotechonline.com\/collections\/geotech-bladder-pump-parts-accessories\" title=\"Geotech Bladder Pump Parts \u0026amp; Accessories\"\u003eBladder Pump Parts \u0026amp; Accessories\u003c\/a\u003e range. Bladders are a consumable, so keep spares sized to your pump; note that only the polyethylene bladders are PFAS-free, as PTFE is a fluoropolymer.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eBladders — \u003ca href=\"https:\/\/envirotechonline.com\/products\/geotech-bladder-pump-bladders-1-66\" title='1.66\" Bladders'\u003e1.66\"\u003c\/a\u003e | \u003ca href=\"https:\/\/envirotechonline.com\/products\/geotech-bladder-pump-bladders-0-85\" title='0.85\" Bladders'\u003e0.85\"\u003c\/a\u003e | \u003ca href=\"https:\/\/envirotechonline.com\/products\/geotech-bladder-pump-bladders-0-675\" title='0.675\" Bladders'\u003e0.675\"\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli\u003eBonded tubing — \u003ca href=\"https:\/\/envirotechonline.com\/products\/geotech-bladder-pump-tubing-1-66\" title='1.66\" Bonded Tubing'\u003e1.66\"\u003c\/a\u003e | \u003ca href=\"https:\/\/envirotechonline.com\/products\/geotech-bladder-pump-tubing-0-675-amp-0-85\" title='0.675\" and 0.85\" Bonded Tubing'\u003e0.675\" \u0026amp; 0.85\"\u003c\/a\u003e, plus the wider \u003ca href=\"https:\/\/envirotechonline.com\/collections\/geotech-tubing\" title=\"Geotech Tubing\"\u003eGeotech Tubing\u003c\/a\u003e range\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eParts \u0026amp; service\u003c\/h3\u003e\n\u003cp\u003eBoth repair-parts pages carry the \u003cstrong\u003eexploded parts diagram\u003c\/strong\u003e with numbered callouts taken from Section 7 of the manual, so you can identify a component before ordering:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/envirotechonline.com\/products\/geotech-geocontrol-pro-repair-parts\" title=\"geocontrol PRO Repair Parts\"\u003egeocontrol PRO repair parts\u003c\/a\u003e — compressor, solenoid, PCB assembly, pressure gauge, front-panel controls and hardware\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/envirotechonline.com\/products\/geotech-1-66-portable-bladder-pump-repair-parts\" title='1.66\" Portable Bladder Pump Repair Parts'\u003e1.66\" portable bladder pump repair parts\u003c\/a\u003e — O-ring service kits, check balls, caps, screens and intake assemblies, in standard and PFAS-free builds\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eGeotech Service can advise on whether a unit is worth repairing in the field: \u003cstrong\u003e1-800-833-7958\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/www.geotechenv.com\/pdf\/ground_water_sampling_equipment\/geocontrol_pro.pdf\" title=\"Specifications\" rel=\"noopener\" target=\"_blank\"\u003eSpecifications\u003c\/a\u003e | \u003ca href=\"https:\/\/www.geotechenv.com\/Manuals\/Geotech_Geocontrol_PRO_Pump_Controller.pdf\" title=\"Manual\" rel=\"noopener\" target=\"_blank\"\u003eInstallation \u0026amp; Operation Manual\u003c\/a\u003e\u003c\/p\u003e","brand":"Geotech Environmental Equipment, Inc.","offers":[{"title":"1.66\" Pump Kit — PFAS-Free (w\/ GeoControl Pro \u0026 Battery)","offer_id":44580711891134,"sku":"91150027","price":3752.5,"currency_code":"USD","in_stock":true},{"title":"0.85\" Pump Kit — PFAS-Free (w\/ GeoControl Pro \u0026 Battery)","offer_id":44580711923902,"sku":"91150028","price":3752.5,"currency_code":"USD","in_stock":true},{"title":"0.675\" Pump Kit — PFAS-Free (w\/ GeoControl Pro \u0026 Battery)","offer_id":44580711956670,"sku":"91150029","price":3752.5,"currency_code":"USD","in_stock":true},{"title":"GeoControl Pro Controller Only — No Pump, No Battery","offer_id":44580712087742,"sku":"91150017","price":3040.0,"currency_code":"USD","in_stock":true},{"title":"1.66\" Pump Kit — Standard (w\/ GeoControl Pro \u0026 Battery)","offer_id":48703729238206,"sku":"91150011","price":3752.5,"currency_code":"USD","in_stock":true},{"title":"0.85\" Pump Kit — Standard (w\/ GeoControl Pro \u0026 Battery)","offer_id":48703729270974,"sku":"91150015","price":3752.5,"currency_code":"USD","in_stock":true},{"title":"0.675\" Pump Kit — Standard (w\/ GeoControl Pro \u0026 Battery)","offer_id":48703729303742,"sku":"91150016","price":3752.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0592\/9926\/6750\/files\/PortableBladderPumps.jpg?v=1726776701"},{"product_id":"geotech-portable-bladder-pump-1-66","title":"Geotech Portable Bladder Pump — 1.66\"","description":"\u003cp\u003eThe \u003cstrong\u003e1.66\" Geotech Portable Bladder Pump\u003c\/strong\u003e is the standard-diameter pump for 2\" monitoring wells — the most common low-flow sampling configuration in the field. Stainless steel construction, quick-change bladder, and a hanger built into the pump body.\u003c\/p\u003e\n\u003cp\u003eA bladder pump isolates the sample from the drive air completely: compressed air squeezes a flexible bladder, and only the bladder ever touches the water. That is what makes it the reference method for low-flow (micro-purge) sampling where volatiles must not be stripped and turbidity must stay low.\u003c\/p\u003e\n\u003ch3\u003eChoosing your configuration\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e18\" or 36\" body.\u003c\/strong\u003e The longer body moves more water per cycle — worth it in higher-yield wells or when purge volumes are large. The 18\" is easier to handle and fits shorter screened intervals.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandard or drop tube.\u003c\/strong\u003e A drop tube intake draws from below the pump, letting you sample close to the bottom of the screen without repositioning the pump body.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandard or PFAS-free.\u003c\/strong\u003e PFAS-free units are built with documented fluoropolymer-free wetted materials for programs where PFAS is an analyte. Same price as standard.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eBuilding a complete 1.66\" system\u003c\/h3\u003e\n\u003cp\u003eA working setup needs four things beyond the pump — all sized to 1.66\":\u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/envirotechonline.com\/products\/geotech-portable-bladder-pumps-controller-pro\" title=\"GeoControl Pro\"\u003eGeoControl Pro controller\u003c\/a\u003e — drives the pump and sets the cycle timing\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/envirotechonline.com\/products\/geotech-bladder-pump-bladders-1-66\" title='1.66\" Bladders'\u003e1.66\" bladders\u003c\/a\u003e — PTFE or polyethylene; replaced between wells\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/envirotechonline.com\/products\/geotech-bladder-pump-tubing-1-66\" title='1.66\" Tubing'\u003e1.66\" bonded tubing\u003c\/a\u003e — air and discharge lines in one bonded run\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/envirotechonline.com\/products\/geotech-bladder-pump-reels\" title=\"Bladder Pump Reels\"\u003eGeoReel\u003c\/a\u003e — hand or powered, keeps tubing managed between wells\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003eEverything compatible with this diameter is gathered in the \u003ca href=\"https:\/\/envirotechonline.com\/collections\/bladder-pump-system-1-66\" title='1.66\" Bladder Pump System'\u003e1.66\" Bladder Pump System\u003c\/a\u003e collection.\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/www.geotechenv.com\/pdf\/ground_water_sampling_equipment\/portable_bladder_pumps.pdf\" title=\"Specifications\" rel=\"noopener\" target=\"_blank\"\u003eSpecifications\u003c\/a\u003e | \u003ca href=\"https:\/\/www.geotechenv.com\/Manuals\/Geotech_Portable_Bladder_Pump.pdf\" title=\"Manual\" rel=\"noopener\" target=\"_blank\"\u003eInstallation \u0026amp; Operation Manual\u003c\/a\u003e\u003c\/p\u003e","brand":"Geotech Environmental Equipment, Inc.","offers":[{"title":"1.66\" x 18\" — Standard","offer_id":48703726158014,"sku":"81150034","price":750.5,"currency_code":"USD","in_stock":true},{"title":"1.66\" x 36\" — Standard","offer_id":48703726190782,"sku":"81150045","price":840.75,"currency_code":"USD","in_stock":true},{"title":"1.66\" x 18\" — Drop Tube","offer_id":48703726223550,"sku":"81150035","price":750.5,"currency_code":"USD","in_stock":true},{"title":"1.66\" x 36\" — Drop Tube","offer_id":48703726256318,"sku":"81150046","price":840.75,"currency_code":"USD","in_stock":true},{"title":"1.66\" x 18\" — PFAS-Free","offer_id":48703726289086,"sku":"81150051","price":750.5,"currency_code":"USD","in_stock":true},{"title":"1.66\" x 36\" — PFAS-Free","offer_id":48703726321854,"sku":"81150052","price":840.75,"currency_code":"USD","in_stock":true},{"title":"1.66\" x 18\" — Drop Tube, PFAS-Free","offer_id":48703726354622,"sku":"81150053","price":750.5,"currency_code":"USD","in_stock":true},{"title":"1.66\" x 36\" — Drop Tube, PFAS-Free","offer_id":48703726387390,"sku":"81150054","price":840.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0592\/9926\/6750\/files\/portable_bladder_pumps.jpg?v=1786543579"},{"product_id":"geotech-portable-bladder-pump-0-85","title":"Geotech Portable Bladder Pump — 0.85\"","description":"\u003cp\u003eThe \u003cstrong\u003e0.85\" Geotech Portable Bladder Pump\u003c\/strong\u003e is the narrow-diameter option for 1\" monitoring wells and tight casings where a 1.66\" pump will not fit. Stainless steel body with a quick-change bladder.\u003c\/p\u003e\n\u003cp\u003eA bladder pump keeps drive air completely separate from the sample — compressed air squeezes a flexible bladder, and only the bladder contacts the water. That isolation is why bladder pumps are the reference method for low-flow (micro-purge) sampling: volatiles are not stripped and turbidity stays low.\u003c\/p\u003e\n\u003ch3\u003eChoosing your configuration\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandard or drop tube.\u003c\/strong\u003e A drop tube intake draws from below the pump, so you can sample near the base of the screen without repositioning the pump body.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandard or PFAS-free.\u003c\/strong\u003e PFAS-free units use documented fluoropolymer-free wetted materials for programs where PFAS is an analyte. Same price as standard.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eBuilding a complete 0.85\" system\u003c\/h3\u003e\n\u003cp\u003eA working setup needs four things beyond the pump:\u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/envirotechonline.com\/products\/geotech-portable-bladder-pumps-controller-pro\" title=\"GeoControl Pro\"\u003eGeoControl Pro controller\u003c\/a\u003e — drives the pump and sets the cycle timing\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/envirotechonline.com\/products\/geotech-bladder-pump-bladders-0-85\" title='0.85\" Bladders'\u003e0.85\" bladders\u003c\/a\u003e — PTFE or polyethylene; replaced between wells\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/envirotechonline.com\/products\/geotech-bladder-pump-tubing-0-675-0-85\" title=\"Small-diameter Tubing\"\u003e0.675\" \u0026amp; 0.85\" bonded tubing\u003c\/a\u003e — air and discharge in one bonded run\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/envirotechonline.com\/products\/geotech-bladder-pump-reels\" title=\"Bladder Pump Reels\"\u003eGeoReel\u003c\/a\u003e — the hand reel covers both 0.675\" and 0.85\" pumps\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003eEverything compatible with this diameter is gathered in the \u003ca href=\"https:\/\/envirotechonline.com\/collections\/bladder-pump-system-0-85\" title='0.85\" Bladder Pump System'\u003e0.85\" Bladder Pump System\u003c\/a\u003e collection.\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/www.geotechenv.com\/pdf\/ground_water_sampling_equipment\/portable_bladder_pumps.pdf\" title=\"Specifications\" rel=\"noopener\" target=\"_blank\"\u003eSpecifications\u003c\/a\u003e | \u003ca href=\"https:\/\/www.geotechenv.com\/Manuals\/Geotech_Portable_Bladder_Pump.pdf\" title=\"Manual\" rel=\"noopener\" target=\"_blank\"\u003eInstallation \u0026amp; Operation Manual\u003c\/a\u003e\u003c\/p\u003e","brand":"Geotech Environmental Equipment, Inc.","offers":[{"title":"0.85\" — Standard","offer_id":48703726420158,"sku":"81150115","price":684.0,"currency_code":"USD","in_stock":true},{"title":"0.85\" — Drop Tube","offer_id":48703726452926,"sku":"81150036","price":684.0,"currency_code":"USD","in_stock":true},{"title":"0.85\" — PFAS-Free","offer_id":48703726485694,"sku":"81150055","price":684.0,"currency_code":"USD","in_stock":true},{"title":"0.85\" — Drop Tube, PFAS-Free","offer_id":48703726518462,"sku":"81150057","price":684.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0592\/9926\/6750\/files\/portable_bladder_pumps_3ede3062-ba14-4d87-a348-ffe30a7c6ab5.jpg?v=1786543800"},{"product_id":"geotech-portable-bladder-pump-0-675","title":"Geotech Portable Bladder Pump — 0.675\"","description":"\u003cp\u003eThe \u003cstrong\u003e0.675\" Geotech Portable Bladder Pump\u003c\/strong\u003e is the smallest diameter in the range — built for 3\/4\" wells, direct-push points, piezometers and multilevel systems where nothing larger will pass. Stainless steel body with a quick-change bladder.\u003c\/p\u003e\n\u003cp\u003eEven at this diameter the pump keeps drive air fully separated from the sample: compressed air squeezes a flexible bladder, and only the bladder touches the water. That is what makes bladder pumps the reference method for low-flow (micro-purge) sampling — no stripping of volatiles, minimal turbidity.\u003c\/p\u003e\n\u003ch3\u003eChoosing your configuration\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandard or drop tube.\u003c\/strong\u003e A drop tube intake draws from below the pump, letting you sample near the base of a short screened interval without moving the pump body.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandard or PFAS-free.\u003c\/strong\u003e PFAS-free units use documented fluoropolymer-free wetted materials for programs where PFAS is an analyte. Same price as standard.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eBuilding a complete 0.675\" system\u003c\/h3\u003e\n\u003cp\u003eA working setup needs four things beyond the pump:\u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/envirotechonline.com\/products\/geotech-portable-bladder-pumps-controller-pro\" title=\"GeoControl Pro\"\u003eGeoControl Pro controller\u003c\/a\u003e — drives the pump and sets the cycle timing\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/envirotechonline.com\/products\/geotech-bladder-pump-bladders-0-675\" title='0.675\" Bladders'\u003e0.675\" bladders\u003c\/a\u003e — PTFE or polyethylene; replaced between wells\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/envirotechonline.com\/products\/geotech-bladder-pump-tubing-0-675-0-85\" title=\"Small-diameter Tubing\"\u003e0.675\" \u0026amp; 0.85\" bonded tubing\u003c\/a\u003e — air and discharge in one bonded run\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/envirotechonline.com\/products\/geotech-bladder-pump-reels\" title=\"Bladder Pump Reels\"\u003eGeoReel\u003c\/a\u003e — the hand reel covers both 0.675\" and 0.85\" pumps\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003eEverything compatible with this diameter is gathered in the \u003ca href=\"https:\/\/envirotechonline.com\/collections\/bladder-pump-system-0-675\" title='0.675\" Bladder Pump System'\u003e0.675\" Bladder Pump System\u003c\/a\u003e collection.\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/www.geotechenv.com\/pdf\/ground_water_sampling_equipment\/portable_bladder_pumps.pdf\" title=\"Specifications\" rel=\"noopener\" target=\"_blank\"\u003eSpecifications\u003c\/a\u003e | \u003ca href=\"https:\/\/www.geotechenv.com\/Manuals\/Geotech_Portable_Bladder_Pump.pdf\" title=\"Manual\" rel=\"noopener\" target=\"_blank\"\u003eInstallation \u0026amp; Operation Manual\u003c\/a\u003e\u003c\/p\u003e","brand":"Geotech Environmental Equipment, Inc.","offers":[{"title":"0.675\" — Standard","offer_id":48703726747838,"sku":"81150117","price":684.0,"currency_code":"USD","in_stock":true},{"title":"0.675\" — Drop Tube","offer_id":48703726780606,"sku":"81150037","price":684.0,"currency_code":"USD","in_stock":true},{"title":"0.675\" — PFAS-Free","offer_id":48703726813374,"sku":"81150056","price":684.0,"currency_code":"USD","in_stock":true},{"title":"0.675\" — Drop Tube, PFAS-Free","offer_id":48703726846142,"sku":"81150058","price":684.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0592\/9926\/6750\/files\/portable_bladder_pumps_37895983-a1ea-472a-9dc7-83c5079c5fd2.jpg?v=1786543801"},{"product_id":"geotech-bladder-pump-reels","title":"Geotech Bladder Pump Reels","description":"\u003cp\u003eReels for deploying and recovering bladder pump tubing. Bonded air-and-discharge tubing is awkward to handle loose — it kinks, drags on the ground, and picks up contamination between wells. A reel keeps the run clean, controlled and repeatable.\u003c\/p\u003e\n\u003ch3\u003eWhich reel\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eGeoReel Hand Reels\u003c\/strong\u003e are matched to pump diameter, because the tubing size differs: one covers the 0.675\" and 0.85\" pumps, the other the 1.66\". Manual rewind, light enough to carry well to well.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLarge Reels\u003c\/strong\u003e take 3\/8\" compression air and discharge lines and include a pump holder — the choice for deeper settings and heavier tubing runs. Available with manual rewind or electric rewind, where recovering several hundred feet by hand would slow the day down.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eMatch the hand reel to your pump: see the \u003ca href=\"https:\/\/envirotechonline.com\/collections\/bladder-pump-system-1-66\" title='1.66\" System'\u003e1.66\"\u003c\/a\u003e, \u003ca href=\"https:\/\/envirotechonline.com\/collections\/bladder-pump-system-0-85\" title='0.85\" System'\u003e0.85\"\u003c\/a\u003e and \u003ca href=\"https:\/\/envirotechonline.com\/collections\/bladder-pump-system-0-675\" title='0.675\" System'\u003e0.675\"\u003c\/a\u003e system collections.\u003c\/p\u003e","brand":"Geotech Environmental Equipment, Inc.","offers":[{"title":"GeoReel Hand Reel — 0.675\" \u0026 0.85\" Pumps","offer_id":48703727567038,"sku":"81400527","price":688.75,"currency_code":"USD","in_stock":true},{"title":"GeoReel Hand Reel — 1.66\" Pump","offer_id":48703727599806,"sku":"81400520","price":688.75,"currency_code":"USD","in_stock":true},{"title":"Large Reel, Manual Rewind — 3\/8\" Compression, w\/ Pump Holder","offer_id":48703727632574,"sku":"81400546","price":1235.0,"currency_code":"USD","in_stock":true},{"title":"Large Reel, Electric Rewind — 3\/8\" Compression, w\/ Pump Holder","offer_id":48703727665342,"sku":"81400547","price":2802.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0592\/9926\/6750\/files\/166_portable_bladder_pump_system.jpg?v=1786543804"},{"product_id":"geotech-dedicated-bladder-pump-1-66","title":"Geotech Dedicated Bladder Pump — 1.66\"","description":"\u003cp\u003eThe \u003cstrong\u003e1.66\" x 18\" Dedicated Bladder Pump\u003c\/strong\u003e is built to stay in the well between sampling events rather than being carried from location to location. Stainless steel body with \u003cstrong\u003e3\/8\" compression fittings\u003c\/strong\u003e on both the air and discharge sides, in place of the hose barbs used on the portable pumps.\u003c\/p\u003e\n\u003cp\u003eLeaving a pump installed removes the two biggest sources of variability in a long-running program: you are not decontaminating between wells, and you are not re-seating a pump at a slightly different depth each visit. Results become more comparable event to event, and field time per well drops sharply.\u003c\/p\u003e\n\u003ch3\u003eApplication\u003c\/h3\u003e\n\u003cp\u003eLong-term compliance monitoring networks, wells sampled on a fixed schedule, and any site where the same points are visited quarterly or monthly. Best paired with a large reel and 3\/8\" compression tubing rather than the portable hand reels.\u003c\/p\u003e\n\u003cp\u003eFor a pump that moves between wells, see the \u003ca href=\"https:\/\/envirotechonline.com\/products\/geotech-portable-bladder-pump-1-66\" title='1.66\" Portable Bladder Pump'\u003e1.66\" Portable Bladder Pump\u003c\/a\u003e. Bladders are shared with the portable range — use \u003ca href=\"https:\/\/envirotechonline.com\/products\/geotech-bladder-pump-bladders-1-66\" title='1.66\" Bladders'\u003e1.66\" x 18\" bladders\u003c\/a\u003e.\u003c\/p\u003e","brand":"Geotech Environmental Equipment, Inc.","offers":[{"title":"1.66\" x 18\" Dedicated — 3\/8\" Compression Air \u0026 Discharge","offer_id":48703728353470,"sku":"81150121","price":745.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0592\/9926\/6750\/files\/geotech_bladder_pumps_L.jpg?v=1786543807"}],"url":"https:\/\/envirotechonline.com\/collections\/geotech-bladder-pumps.oembed","provider":"EnviroTech Services","version":"1.0","type":"link"}