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API FRESHWATER MASTER TEST KIT helps to quickly measure and modify the six aquarium levels that are most important to the health of your freshwater fish. These levels can change rapidly and create harmful conditions when fish waste, uneaten food or other organic matter accumulate, or when untreated water is added. The API FRESHWATER Master Test Kit measures these six parameters with scientific accuracy and provides professional results. It comes with four test tubes, a holding tray and computer calibrated, laminated colour card. Just fill the test tubes, add the test drops and compare results to the colour card. Then follow the recommendations on the card if action is required. Features: Helps monitor water quality and prevent invisible water problems that can be harmful to fish and cause fish loss Accurately monitors 5 most vital water parameters levels in freshwater aquariums: pH, high range pH, ammonia, nitrite, nitrate Designed for use in freshwater aquariums only Use for weekly monitoring and when water or fish problems appear

Royal Canin Breed Health Nutrition Rottweiler Adult Dog Food knows what makes a Rottweiler magnificent is in the details. As a true working dog, Rottweilers are watchful protectors that prefer to be busy and active. This giant breed can benefit from the right diet to help keep their big hearts healthy, maintain muscle mass, and support bones and joints, especially as they mature. Royal Canin Rottweiler Adult dry dog food is tailor-made nutrition created just for a purebred Rottweiler. This exclusive breed-specific diet is uniquely formulated for a Rottweiler, with the specific nutrients to help them thrive. The custom kibble is designed for a Rottweiler's strong and broad jaw, encouraging them to slowly chew their food. High energy content helps them feel full without overloading their stomach. Heart-healthy nutrients including taurine, EPA, and DHA help protect Rottweilers' cardiac health. Precise protein levels and added L-carnitine support strong muscle mass. And omega-3 fatty acids, including EPA and DHA from fish oil, support hardworking bones and joints, while helping to keep a protective Rottweiler at a healthy weight. Key Benefits: Formulated For Purebred Rottweilers: This food is designed to meet the nutritional needs of purebred Rottweilers 18 months and older. Specialized Kibble: Unique kibble shape is designed to help big dogs easily pick up, chew, and slow down their food intake. Heart Health: Taurine, EPA, and DHA for healthy cardiac function promote heart health. Muscle Support: Helps maintain a giant breed's muscle mass with appropriate protein content and L-carnitine. Weight Management: Promotes an ideal weight and supports joint and bone support with EPA and DHA from fish oil.