hola saludos a todos quisiera me ayudaran a saber si esta bien este filtro de osmosis al parecer no trae el di de ser asi se lo podria agregar posteriormente mi acuario es de 600 lts aprox 1st Stage: 5 micron high-capacity polypropylene sediment filter held in a transparent housing 2nd Stage: GAC Carbon Filter 3rd Stage: CTO Carbon Filter 4th Stage: High Rejection 75GPD TFC reverse osmosis membrane 5th Stage: Total Polishing Inline Carbon 10" System Capacity: 75 gallons per day @ 50/60 psi & 77 deg F Tank Capacity: 3.2 gallons Feed Water pH: 3.0 -11.0 Feed Water Pressure: 40-95 psi Feed Water Temperature: 40-100 °F (4 - 38 °C) Max Total Dissolved Solids: 2000 ppm A reverse osmosis system removes: Inorganic: Aluminium, Arsenic, Barium, Benzene, Cadmium, Calcium, Chloride, Chromium VI, Copper, Fluoride, Iron, Lead, Magnesium, Manganese, Mercury II, Nitrate, Potassium, Selenium IV, Silver, Sodium, Strontium, Sulphate, Total Dissolved Solids (TDS), Zinc Organic: Adrazin, Aldrin, Chlorine, Chloroform, Dichlormethane, DOT, Endrin, Fluoranthene, Herbicides, Lindane, Methoxychlor, PCB, Perchlorethylene, Pesticides, Phenole, Tannic Acids, Toxaphene, Trichlorethlene, Trihalomethanes, V.O.C.'s agradecere sus opiniones buena suerte a todos.