10 % SERA O2 TEST - OXYGEN TEST FOR POND AND AQUARIUM € 15.95€ 14.36 VAT incl. This product is currently in stock Accurately measure dissolved oxygen (O2) levels to support fish health and maintain a balanced aquatic ecosystem. - + Reference : 04914 EAN : 4001942049146 Category : MAINTENANCE PRODUCT Brand : SERA Description Reviews Detached pieces Instructions for use Product details Add review Related Products 10 % Addto Cart SERA KH TEST – CARBONATE HARDNESS TEST FOR PONDS AND AQUARIU € € 12.95€ 11.66 10 % Addto Cart SERA AQUA-TEST SET ANALYSE D EAU € € 39.95€ 35.96 10 % Addto Cart SERA NO2 TEST – NITRITE TEST FOR AQUARIUMS AND PONDS € € 12.95€ 11.66 10 % Addto Cart NO3 TEST NITRATE DE L'EAU SERA € € 14.95€ 13.46 Addto Cart SERA KH TEST – CARBONATE HARDNESS TEST FOR PONDS AND AQUARIU € 11.66 Addto Cart SERA AQUA-TEST SET ANALYSE D EAU € 35.96 Addto Cart SERA NO2 TEST – NITRITE TEST FOR AQUARIUMS AND PONDS € 11.66 Addto Cart NO3 TEST NITRATE DE L'EAU SERA € 13.46