Tommy Vercetti Posted February 27 Share Posted February 27 (edited) Hello fellow fish nerms! I have a few questions about RO / DI water. Why?: I have not had success with German Blue Rams. I had a pair and the male died in 2 weeks and the female died in 4 weeks. Their color was good and they were active and eating until they would just stop eating and then about 3 days later they would die. Tank Setup: 16 Gallon Cube with Co2 reactor (home made out of abs pipe fittings) and canister filter (Fluval 107) Lily pipes with surface skimmer Dosing EI method fertilizers on a dosing pump 50% WC every Sunday Logic?: My parameters are good except for water hardness (too hard): Temperature 80F CO2 30ppm Ammonia 0ppm Nitrite 0ppm Nitrate 30ppm PH 7.2 Phosphates 2ppm GH 21d/375ppm KH 9d/161ppm Questions: I have decided to invest in an RO/DI system and I had originally planned on using a 50/50 mix of Tap and RO/DI but the maths show that would leave me with GH 10.5 and KH 4.5 and also leave me with less control of hardness than if I remineralize the RO/DI water myself. Which leave me with the following questions: 1. What is the best way remineralize the water? 2. What is the most cost effective way? 3. What is the easiest way? 4. Should I buy a container to store the RO/DI water and remineralize the water in this container, then pump it to my aquarium for water change? 5. Reserved for the things that I don't yet know that I don't know 😉 Thank you for sharing your help and knowledge on this subject Edited February 27 by Tommy Vercetti Link to comment Share on other sites More sharing options...
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