Breeded in Portugal by the biologist Luis Santos , these are F2 Altum of an Extraordinary Quality . With sizes between 15-17 cms . These altums live and have been bred in water with a pH of 7.5 and 230 microsiemans , but they adapt perfectly to water up to a pH of 6.0 . These F2 Altums eat all kind of food from Tropical flakes to pellets. Healthy and high quality fish with the Santarem Discus Plus guarantee. ( Limited Stock ) .Payment must be made by bank transfer we do not accept PAYPAL for the purchase of Altums .