{"title":"Heaters and cooling","description":"\u003cp dir=\"ltr\"\u003e\u003cspan\u003eThe right aquarium heater or aquarium cooling system is a guarantee of the owner's peace of mind and prevention against stress caused by sudden temperature fluctuations. Maintaining a stable temperature regime is one of the most critical factors for the health and longevity of your fish and other aquatic inhabitants. Every ecosystem has its unique requirements. While tropical species thrive in warmer water, many cold-water fish and shrimp are extremely sensitive to overheating.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eIn this category, you will find professional aquarium heaters in various wattages and designs, engineered to maintain precise thermal balance. We offer reliable submersible models with built-in thermostats that automatically control the temperature, as well as external options for installation on the filter system, which do not take up space in the tank itself. When choosing suitable aquarium heaters, it is important to match the wattage to the volume of your aquarium, with the golden rule being about 1 watt per liter of water, adjusted for room temperature.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eFor hot summer months or for specific species requiring lower temperatures, the appropriate aquarium chiller is an indispensable safety solution. In our assortment, you will find compact fan systems for mounting on the edge of the aquarium, as well as powerful chiller units for large aquascapes. Effective aquarium cooling is crucial at temperatures above 26-28°C, when dissolved oxygen levels drop critically, endangering the lives of the inhabitants. Our mission is to provide you with equipment of high reliability and an integrated thermoregulator for maximum easy maintenance.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eFor complete security in your home ecosystem, we always advise monitoring parameters with a separate thermometer for independent verification of readings. At Dr. Stefanov pet shop, we prioritize quality, which is why we offer only certified solutions that protect your pets from stress and diseases. Browse our offers for aquarium heaters and cooling systems and choose the equipment that best matches the volume of your aquarium and the specific needs of its inhabitants.\u003c\/span\u003e\u003c\/p\u003e","products":[{"product_id":"ferplast-bluclima-50-nagrevatel-s-termostat-o-3-2-21-cm","title":"Ferplast - BluClima 150 - heater with thermostat, ø 3.2 \/ 27 cm","description":"\u003cp\u003eHigh-quality electronic heater with a thermorelay for automatic maintenance of a preset temperature, with 50 watts of power and a 2-year warranty.\u003cbr\u003e\nConvenient temperature adjustment without the need to remove the heater from the filter\u003cbr\u003e\nLight indicator for heater on\/off;\u003cbr\u003e\nFully submersible\u003cbr\u003e\nExtended service life\u003cbr\u003e\nMounting accessories for attaching to the aquarium wall are included\u003cbr\u003e\nThe heater's glass tube is thickened - 2 mm - and heat-resistant.\u003c\/p\u003e\n","brand":"Ferplast","offers":[{"title":"3.2 \/ 21 cm","offer_id":55146032628086,"sku":"66305017","price":31.99,"currency_code":"EUR","in_stock":true},{"title":"3.2 \/ 27 cm","offer_id":55146032693622,"sku":"66310017","price":33.99,"currency_code":"EUR","in_stock":true},{"title":"Ferplast - BluClima 150 - heater with thermostat, ø 3.2 \/ 27 cm","offer_id":55146032726390,"sku":"66315017","price":33.99,"currency_code":"EUR","in_stock":true},{"title":"3.2 \/ 33 cm","offer_id":55146032791926,"sku":"66320017","price":36.99,"currency_code":"EUR","in_stock":true},{"title":"3.2 \/ 37.5 cm","offer_id":55146032824694,"sku":"66330017","price":39.99,"currency_code":"EUR","in_stock":true},{"title":"3.2 \/ 24 cm","offer_id":55149769916790,"sku":"66308017","price":32.99,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0709\/9881\/9105\/files\/3ada13cfaab74bfe416fee1c13e32093.jpg?v=1758619443"},{"product_id":"jbl-protemp-s-nagrevatel-sas-zashtitna-koshnitsa-za-21sm","title":"JBL ProTemp S 25W - heater with protective basket 25W for 10-50l 21cm","description":"\u003cp\u003eHeater with protective cage 21 cm for aquarium 25 - 80 liters.\u003cbr\u003e\n• The plastic cover protects fish (e.g., “Suckermouth catfish”) from direct contact with the heater\u003cbr\u003e\n• Automatic protection – switches off automatically if the water level drops below the heater level\u003cbr\u003e\n• Fully submersible and extremely durable 2 mm safety glass\u003cbr\u003e\n• Direct temperature selection in ºC, adjustment can be made after checking the thermometer\u003c\/p\u003e\n","brand":"JBL","offers":[{"title":"50 W","offer_id":55149113442678,"sku":"6042200","price":31.99,"currency_code":"EUR","in_stock":true},{"title":"25 W","offer_id":55149113508214,"sku":"6042100","price":31.99,"currency_code":"EUR","in_stock":true},{"title":"100 W","offer_id":55149113573750,"sku":"6042300","price":33.99,"currency_code":"EUR","in_stock":true},{"title":"150 W","offer_id":55149113639286,"sku":"6042400","price":33.99,"currency_code":"EUR","in_stock":true},{"title":"200 W","offer_id":55149113672054,"sku":"6042500","price":34.99,"currency_code":"EUR","in_stock":true},{"title":"300 W","offer_id":55149113704822,"sku":"6042600","price":34.99,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0709\/9881\/9105\/files\/bd3311bbfef31ff653359fc1fb4d8e6e.jpg?v=1758621151"},{"product_id":"jbl-coolcontrol-termostat-za-ventilator","title":"JBL CoolControl - Thermostat for fan","description":"\u003cdiv\u003eRegulates the operation of the cooling fan\u003c\/div\u003e\n\n\u003cdiv\u003eEasy installation: connect CoolControl to the cooling fan and the sensor. Turn on the power.\u003c\/div\u003e\n\n\u003cdiv\u003eTemperature setting 18-36 ° C\u003c\/div\u003e\n","brand":"JBL","offers":[{"title":"JBL CoolControl - Thermostat for fan","offer_id":55153588797814,"sku":"6043900","price":34.99,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0709\/9881\/9105\/files\/86a4139a8e85a1034a7621e156461b47_cdd7e148-f71a-4045-8b16-582017a75347.jpg?v=1758714022"},{"product_id":"jbl-protemp-e-500-vanshen-nagrevatel-160-600-litra","title":"JBL Protemp - External heater","description":"\u003cp\u003eAn inline heater integrated into the external filter's hose eliminates the need for an in-tank heater.\u003c\/p\u003e\n\n\u003cp\u003eEasy installation: connect the hose that returns water to the aquarium from the external filter. Place the external heater in the middle. Plug it in and set the temperature.\u003c\/p\u003e\n\n\u003cp\u003eConnecting to the filter circuit ensures a very even distribution of water temperature with an accuracy of up to 0.5 degrees.\u003c\/p\u003e\n\n\u003cp\u003ePackage contents: one built-in 600 W heater, hoses for 12\/16, 16\/22, 19\/25 and a cleaning brush.\u003c\/p\u003e\n\n\u003cp\u003eAutomatic shutdown in case of overheating\u003c\/p\u003e\n\n\u003cp\u003e \u003c\/p\u003e\n\n\u003cp\u003e \u003c\/p\u003e\n\n\u003cp\u003e\u003ciframe frameborder=\"0\" height=\"400\" scrolling=\"no\" src=\"https:\/\/www.youtube.com\/embed\/OOcrhXMlt38\" width=\"100%\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n","brand":"JBL","offers":[{"title":"160 - 600 liters","offer_id":55155353256310,"sku":"6042800","price":62.99,"currency_code":"EUR","in_stock":true},{"title":"90 - 300 litres","offer_id":55155353616758,"sku":"6042700","price":54.99,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0709\/9881\/9105\/files\/c43f0b85534b27c737585d273f4e58e2_cf11d8f4-30e4-4109-bcaf-de2dcfaccd62.jpg?v=1758790191"},{"product_id":"jbl-cooler-200-ventilator-za-ohlazhdane-za-akvariumi-do-200-litra","title":"JBL Cooler 200 - cooling fan for aquariums up to 200 liters","description":"\u003cp\u003eWater temperature cooling by 2 – 4 °C: cooling fan with fans for aquariums\u003c\/p\u003e\n\n\u003cp\u003eEasy to install on the aquarium: max. 2.5 cm thickness. Switch on with a switch on the housing\u003c\/p\u003e\n\n\u003cp\u003eWater cooling by air flow on the water surface, evaporation of warm water. Expandable with JBL CoolControl\u003c\/p\u003e\n\n\u003cp\u003eSafety: 12 V low voltage, safety net. Universal power supply for all common mains voltages worldwide\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eTemperature Control\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThere are two important factors that influence the water temperature in the aquarium: first, room temperature and second, direct sunlight. If the room temperature in summer increases significantly, it is important to regularly check the temperature in the aquarium. It should be 24-26 °C. Temperatures above 30 °C are a problem and can cause significant damage to fish and plants. Furthermore, aquariums should never be exposed to direct sunlight. The higher the temperature, the less dissolved oxygen, which is vital for animals, becomes.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eEasy to install\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThe clip of the cooling fan is placed on the edge of the aquarium (up to a maximum of 2.5 cm thickness) and secured with screws.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eCooling by evaporation\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThe JBL cooler for fresh water and salt water is cooled by 2-4 °C using the fans. The fan causes the warm water to evaporate on the water surface and thus generates cold. Comparable to the evaporative cooling of a wet body part exposed to the wind.\u003c\/p\u003e\n","brand":"JBL","offers":[{"title":"JBL Cooler 200 - cooling fan for aquariums up to 200 liters","offer_id":55160704467318,"sku":"6044600","price":72.99,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0709\/9881\/9105\/files\/processed_0_af5edcdc-c88b-4659-81a1-0185e4405152.jpg?v=1755522151"}],"url":"https:\/\/zoomagazin.eu\/en\/collections\/nagrevateli-i-ohlazhdane.oembed","provider":"zoomagazin.eu","version":"1.0","type":"link"}