{"product_id":"sustee-plant-soil-moisture-sensor-sticks-set-of-5-large-green-refillable-cores-no-batteries","title":"Sustee Plant Soil Moisture Sensor Sticks — Set of 5 Large Green, Refillable Cores \u0026 No Batteries","description":"\u003cp\u003e\u003cstrong\u003eSustee Aquameter set of five green watering sticks is a leave-in soil moisture sensor that shows you when potted plants need water by changing color, with refillable cores and no batteries required.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eMonitor indoor plants simply and accurately: these large Sustee Aquameter sticks are designed for 6–12 inch pots and stay in the soil to provide continuous visual feedback. Developed in partnership with Tokyo University of Agriculture and made in Japan, each stick lasts roughly 6–9 months before the refillable core needs replacement. The indicator changes from white to blue depending on moisture, so you can water only when needed and avoid overwatering.\u003c\/p\u003e\n\n\u003ch3\u003eHow does the Sustee Aquameter tell me when to water?\u003c\/h3\u003e\n\n\u003cp\u003eThe Aquameter uses a moisture-sensitive refillable core that visibly changes color based on soil moisture levels. Unlike electronic gauges, the color shift provides a quick, maintenance-free readout you can see at a glance.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eWhite core = soil needs water; blue core = soil is moist.\u003c\/li\u003e\n  \u003cli\u003eCapillary action brings moisture into the core for a reliable visual cue.\u003c\/li\u003e\n  \u003cli\u003eNo batteries or electronics — simple, durable operation.\u003c\/li\u003e\n  \u003cli\u003eDesigned to stay inserted so you can check anytime without disturbing roots.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill these sticks fit my pots and how long do they last?\u003c\/h3\u003e\n\n\u003cp\u003eThese are the large Sustee Aquameter model, sized for medium to larger containers. Each stick measures 10.04 x 0.39 x 0.31 inches and is intended for pots roughly 6–12 inches across; a set includes five sticks so you can outfit several plants at once.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eLarge size works best in 6–12 inch diameter pots.\u003c\/li\u003e\n  \u003cli\u003eSet of five provides multi-plant coverage for living rooms, offices, or conservatories.\u003c\/li\u003e\n  \u003cli\u003eRefillable cores last about 6–9 months under normal indoor conditions.\u003c\/li\u003e\n  \u003cli\u003eReplacement cores are available so the outer body can be reused long-term.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow do I install and maintain a Sustee watering stick?\u003c\/h3\u003e\n\n\u003cp\u003eInstallation is straightforward: insert the slim probe into potting mix so the indicator is visible above the soil line. Maintenance is minimal — replace the core when its responsiveness fades and rinse the exterior if it becomes soiled.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003ePush the stick gently into soil until the top indicator is visible.\u003c\/li\u003e\n  \u003cli\u003eKeep the stick permanently in place; no removal between readings required.\u003c\/li\u003e\n  \u003cli\u003eReplace the refillable core every 6–9 months, depending on use.\u003c\/li\u003e\n  \u003cli\u003eRinse and dry the exterior if it accumulates dirt or mineral deposits.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCan different soil types affect the reading?\u003c\/h3\u003e\n\n\u003cp\u003eYes — the Sustee Aquameter is calibrated to show moisture across common potting mixes, and its color response can vary slightly with soil composition. Still, the white-to-blue shift provides a reliable, comparative signal for most houseplants when used as directed.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eSoil texture and additives can affect how quickly moisture reaches the core.\u003c\/li\u003e\n  \u003cli\u003eUse the same stick for a plant over time to learn its typical wet\/dry cycle.\u003c\/li\u003e\n  \u003cli\u003eFor very dense or highly sandy mixes, check the core position and adjust depth for best contact.\u003c\/li\u003e\n  \u003cli\u003eAvoid placing the stick where water pools at the pot edge for skewed readings.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho this is for: The Sustee Aquameter set of five large green sticks is ideal for indoor gardeners, apartment plant owners, office plant caretakers, and anyone who prefers a low-maintenance, visual way to avoid over- or under-watering. It suits medium to large potted plants and people who want a simple, battery-free monitoring tool that stays in place and is easy to refill.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How often do I need to replace the Sustee core?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Expect about 6–9 months of use; replace the core when the color response weakens.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can the Sustee Aquameter stay in the soil permanently?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes — the design is for leave-in use so you can monitor moisture continuously.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Sustee","offers":[{"title":"Default Title","offer_id":56830838604116,"sku":"B08PPNG7G3","price":55.65,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1063\/2652\/4244\/files\/sustee-aquameter-front-view.jpg?v=1787008321","url":"https:\/\/gardenluxe.co.uk\/products\/sustee-plant-soil-moisture-sensor-sticks-set-of-5-large-green-refillable-cores-no-batteries","provider":"Gardenluxe Uk","version":"1.0","type":"link"}