{"product_id":"aquacadabra-no2-reducer","title":"Aquacadabra NO2 NO3 Reducer Aquarium Nitrite Nitrate Remover Fish Tank Treatment","description":"\u003cdiv\u003e\r\n\r\n\u003ch2\u003eAQUACADABRA NO2 \u0026amp; NO3 REDUCER\u003c\/h2\u003e\r\n\r\n\u003cp\u003e\u003cstrong\u003eAquarium water treatments for managing Nitrite (NO2) and Nitrate (NO3) levels.\u003c\/strong\u003e\u003c\/p\u003e\r\n\r\n\u003ch3\u003eAQUACADABRA NO2 REDUCER\u003c\/h3\u003e\r\n\r\n\u003cp\u003eHelps reduce harmful nitrite (NO2) levels in aquarium water.\u003c\/p\u003e\r\n\r\n\u003cp\u003eNitrites can result from fish and invertebrate waste, uneaten food, plant decomposition, chemical treatments and replacement of filter materials. Nitrites are harmful to fish and crustaceans.\u003c\/p\u003e\r\n\r\n\u003cp\u003eDuring the nitrogen cycle, ammonia is converted into nitrite by Nitrosomonas bacteria. Nitrites are then converted into nitrates by Nitrobacter bacteria. These beneficial bacteria are also contained in AQUACADABRA BACTO LIFE.\u003c\/p\u003e\r\n\r\n\u003ch3\u003eDosage\u003c\/h3\u003e\r\n\r\n\u003cul\u003e\r\n\u003cli\u003eShake well before use.\u003c\/li\u003e\r\n\u003cli\u003eDose 20ml per 100 litres of water every day until the problem is solved.\u003c\/li\u003e\r\n\u003cli\u003eOne cap = 5ml.\u003c\/li\u003e\r\n\u003cli\u003eIf NO2 is above 0.50 mg\/l, change 30-40% of the water and siphon the gravel before treatment.\u003c\/li\u003e\r\n\u003cli\u003eMonitor NO2 concentration daily using a suitable aquarium test.\u003c\/li\u003e\r\n\u003cli\u003eAfter treatment, carry out a partial water change of at least 25%.\u003c\/li\u003e\r\n\u003cli\u003eUse AQUACADABRA AQUANEW and AQUACADABRA BACTO LIFE at the recommended maintenance dose.\u003c\/li\u003e\r\n\u003cli\u003eAlways test nitrite at least once a week.\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\r\n\u003chr\u003e\r\n\r\n\u003ch3\u003eAQUACADABRA NO3 REDUCER\u003c\/h3\u003e\r\n\r\n\u003cp\u003e\u003cstrong\u003e100% natural, highly concentrated product for reducing nitrate (NO3) in freshwater aquariums.\u003c\/strong\u003e\u003c\/p\u003e\r\n\r\n\u003cp\u003eNitrates are produced during the aquarium nitrogen cycle and can accumulate in the water. Partial water changes, gravel cleaning, filter maintenance and correct feeding should be used alongside AQUACADABRA NO3 REDUCER.\u003c\/p\u003e\r\n\r\n\u003cp\u003eThe desirable nitrate level is approximately 20-30 mg\/l.\u003c\/p\u003e\r\n\r\n\u003cp\u003e\u003cstrong\u003eHarmless to fish and crustaceans when used as directed.\u003c\/strong\u003e\u003c\/p\u003e\r\n\r\n\u003ch3\u003eDosage\u003c\/h3\u003e\r\n\r\n\u003cul\u003e\r\n\u003cli\u003eTest nitrate (NO3) before use.\u003c\/li\u003e\r\n\u003cli\u003eShake well before use.\u003c\/li\u003e\r\n\u003cli\u003eDays 1-5: dose 1.5ml per 15 litres of water daily.\u003c\/li\u003e\r\n\u003cli\u003eDays 6-9: dose 2ml per 15 litres of water daily.\u003c\/li\u003e\r\n\u003cli\u003eTest nitrate again.\u003c\/li\u003e\r\n\u003cli\u003eIf NO3 has reduced to around 20-30 mg\/l, dose 1.5ml per 15 litres from days 10-15, then stop.\u003c\/li\u003e\r\n\u003cli\u003eIf NO3 has not decreased, continue dosing 2ml per 15 litres daily until the problem is resolved.\u003c\/li\u003e\r\n\u003cli\u003eTest nitrate weekly and repeat the treatment when necessary.\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\r\n\u003cp\u003e\u003cstrong\u003eImportant:\u003c\/strong\u003e If your nitrate test reads a maximum of 100 mg\/l, the actual level may be 100 mg\/l or higher. Continue monitoring until the nitrate level has fallen to approximately 20-30 mg\/l.\u003c\/p\u003e\r\n\r\n\u003ch3\u003eRecommended Aquarium Maintenance\u003c\/h3\u003e\r\n\r\n\u003cul\u003e\r\n\u003cli\u003e10-15% partial water changes at least twice a month.\u003c\/li\u003e\r\n\u003cli\u003eUse AQUACADABRA AQUANEW and AQUACADABRA BACTO LIFE with new water.\u003c\/li\u003e\r\n\u003cli\u003eClean the filter once a week.\u003c\/li\u003e\r\n\u003cli\u003eClean the gravel once a month.\u003c\/li\u003e\r\n\u003cli\u003eFeed fish correctly and avoid excessive food.\u003c\/li\u003e\r\n\u003cli\u003eMonitor nitrate levels regularly.\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\r\n\u003ch3\u003eSafety Information\u003c\/h3\u003e\r\n\r\n\u003cp\u003e\u003cstrong\u003eKEEP OUT OF REACH OF CHILDREN\u003c\/strong\u003e\u003cbr\u003e\r\n\u003cstrong\u003eFOR AQUARIUM USE ONLY\u003c\/strong\u003e\u003cbr\u003e\r\n\u003cstrong\u003eDO NOT INGEST\u003c\/strong\u003e\u003cbr\u003e\r\n\u003cstrong\u003eAVOID CONTACT WITH EYES AND SKIN\u003c\/strong\u003e\u003cbr\u003e\r\n\u003cstrong\u003ePRODUCTION BATCH: SEE PACKAGING\u003c\/strong\u003e\u003c\/p\u003e\r\n\r\n\u003c\/div\u003e","brand":"Aquacadabra","offers":[{"title":"NO3 Reducer 250ml","offer_id":58509988168063,"sku":"1034744","price":9.99,"currency_code":"GBP","in_stock":true},{"title":"NO2 Reducer 250ml","offer_id":58509988200831,"sku":"1034745","price":14.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0015\/7374\/8802\/files\/chatgpt-image-jul-31-2026-111356-am.png?v=1790239140","url":"https:\/\/aquacadabra.com\/products\/aquacadabra-no2-reducer","provider":"Aquacadabra","version":"1.0","type":"link"}