The Puffer Forum

I have a few more questions. I really want to get this right because I dont want my fish to suffer. What hardness level measured in ppm is good for gsp's? I kept my discus tank at about 150ppm. And doesnt adding instant ocean sea salt to r/o water bring back some dissolved solids? The reason im aski...

here is my story: I have a 75 gal tank that was a discus tank for 3 years. I recently got rid of my discus and bought 2 gsp's from my lfs. I used r/o water for the discus tank because our well water is really hard with a ph of about 8.5. Those water parameters sound good for gsp's right? well the gs...

Can someone using RO water for their puffer tank tell me what you have to add to the water to get the right hardness and ph?

Thanks,