{"product_id":"tmc-optical-auto-top-up-ato","title":"TMC Optical Auto Top Up (ATO)","description":"\u003ch2\u003eWhat It Is\u003c\/h2\u003e\n\u003cp\u003eThe TMC Optical Auto Top Up automatically replaces water lost through evaporation. Its infrared sensor monitors the water level and activates the included pump when a refill is needed.\u003c\/p\u003e\n\n\u003ch2\u003eWhy We Like It\u003c\/h2\u003e\n\u003cp\u003eSmall, regular top-ups save a daily job and help limit evaporation-related salinity changes in marine aquariums. The compact sensor and pump are useful where space is tight, including smaller sumps and rear filtration chambers.\u003c\/p\u003e\n\u003cp\u003eThe kit includes the pump, power supply, hose and installation fittings. Just add a suitable freshwater reservoir.\u003c\/p\u003e\n\n\u003ch2\u003eKey Specifications \u0026amp; Features\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOptical level sensing:\u003c\/strong\u003e infrared sensor with three detection points.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMagnetic sensor mounting:\u003c\/strong\u003e simple positioning at the required water level.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDry-running protection:\u003c\/strong\u003e helps protect the refill pump.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaximum pump flow:\u003c\/strong\u003e 280 L\/h.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaximum head height:\u003c\/strong\u003e 2.2 metres; flow decreases with lift.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaximum power:\u003c\/strong\u003e 4W.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePump voltage:\u003c\/strong\u003e 12V DC.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHose:\u003c\/strong\u003e two metres of 6\/9mm tubing included.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWhatÕs Included\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eOptical sensor with magnetic mount\u003c\/li\u003e\n  \u003cli\u003eDC refill pump and power supply\u003c\/li\u003e\n  \u003cli\u003eTwo metres of top-up hose\u003c\/li\u003e\n  \u003cli\u003eAnti-siphon valve\u003c\/li\u003e\n  \u003cli\u003eHose securing clamp and instructions\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003eReservoir sold separately. For marine aquariums, replace evaporation with fresh RO water, not saltwater. Install the hose and anti-siphon fitting according to the instructions.\u003c\/em\u003e\u003c\/p\u003e","brand":"TMC","offers":[{"title":"Default Title","offer_id":53913054806352,"sku":"THRE-18243756","price":69.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0921\/9552\/0848\/files\/images_fb823deb-68cf-4913-badc-e77f6bf948c6.jpg?v=1793743861","url":"https:\/\/www.thehappyreef.com\/products\/tmc-optical-auto-top-up-ato","provider":"The Happy Reef","version":"1.0","type":"link"}