{"product_id":"eo-jbl-safety-heater-stat-with-protective-basket-protemp-s-25-300","title":"JBL ProTemp S (25-300w) (Safety Heater with Protective Basket)","description":"\u003cp\u003e\u003cstrong\u003eJBL ProTemp S aquarium heaters\u003c\/strong\u003e use modern technology for both freshwater and marine tanks. A protective plastic guard prevents fish burns and protects the quartz glass. It has a safety shut-off if overheating occurs (e.g. when left out of water). The heater is fully submersible, compact, and easy to install vertically. Temperature is adjustable from 20–34°C via a clear dial, with an indicator light showing operation. Using a thermometer is still recommended for accuracy.\u003c\/p\u003e\n\u003cp\u003eFeatures:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ePlastic guard protects fish such as suckermouth catfish from direct heat.\u003c\/li\u003e\n\u003cli\u003eComes with dry run protection (turns off automatically when the water level drops or the heater is removed from the water)\u003c\/li\u003e\n\u003cli\u003eFully submersible and very robust 2 mm safety glass.\u003c\/li\u003e\n\u003cli\u003eDirect temperature selection in °C.\u003c\/li\u003e\n\u003cli\u003eDiameter of glass: 29 mm\u003c\/li\u003e\n\u003cli\u003eDiameter on top: 36 mm\u003c\/li\u003e\n\u003cli\u003eDiameter with cage: 33 mm\u003c\/li\u003e\n\u003cli\u003eDiameter with cage + suction cup: 36 mm\u003c\/li\u003e\n\u003cli\u003eLength incl. cage: 220 mm\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eTechnical specifications:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003etemperature range: 20 - 34 °C\u003c\/li\u003e\n\u003cli\u003eaccuracy: +\/- 0,5 °C\u003c\/li\u003e\n\u003cli\u003efully submersible\u003c\/li\u003e\n\u003cli\u003erun-dry-protection\u003c\/li\u003e\n\u003cli\u003e4 years guarantee\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe following sizes are available: 25\/50\/100\/150\/200\/300W\u003c\/p\u003e\n\u003ch2\u003eFAQ\u003c\/h2\u003e\n\u003cp\u003e1. Heater feels only warm underwater\u003cbr\u003eNormal. Heat is quickly dispersed into water, so it feels mild. Out of water, it heats up fast and can get very hot. Always unplug before removing from water.\u003c\/p\u003e\n\u003cp\u003e2. Temperature not stable \/ big deviation\u003cbr\u003eHeater accuracy is about ±0.5°C (up to ~1–1.5°C with measurement differences). Large deviations (5–7°C) usually mean incorrect adjustment, poor water flow around heater or faulty unit\u003c\/p\u003e\n\u003cp\u003e3. Protective basket deformed\u003cbr\u003eCaused by limescale buildup, which traps heat and leads to overheating.\u003cbr\u003eSolution: Regularly descale (e.g. with JBL Clean A or pH Minus).\u003c\/p\u003e\n\u003cp\u003e4. Do I still need to unplug during water change?\u003cbr\u003eYes. The safety switch is only backup protection, not a replacement for unplugging.\u003c\/p\u003e\n\u003cp\u003e5. Can I replace the basket?\u003cbr\u003eYes, basket parts are sold separately (end, middle, and top sections with suction cups).\u003c\/p\u003e","brand":"JBL","offers":[{"title":"JBL ProTemp S 25","offer_id":50706741199013,"sku":"J60421","price":47.5,"currency_code":"SGD","in_stock":true},{"title":"JBL ProTemp S 50","offer_id":50706741231781,"sku":"J60422","price":47.5,"currency_code":"SGD","in_stock":true},{"title":"JBL ProTemp S 100","offer_id":50706741264549,"sku":"J60423","price":47.5,"currency_code":"SGD","in_stock":true},{"title":"JBL ProTemp S 150","offer_id":50706741297317,"sku":"J60424","price":47.5,"currency_code":"SGD","in_stock":true},{"title":"JBL ProTemp S 200","offer_id":50706741330085,"sku":"J60425","price":53.0,"currency_code":"SGD","in_stock":true},{"title":"JBL ProTemp S 300","offer_id":50706741362853,"sku":"J60426","price":53.0,"currency_code":"SGD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0048\/9291\/7850\/files\/JBL_Safetyheater-statwithprotectivebasket_-ProTempS_25-300_-Group_a3948a85-c791-49fd-91c1-15f9fee69420.png?v=1792492316","url":"https:\/\/fishlist.com.sg\/products\/eo-jbl-safety-heater-stat-with-protective-basket-protemp-s-25-300","provider":"Fishlist by Desmond Lim","version":"1.0","type":"link"}