My present water values are as follows: ca 290, alk 13 dKH, temp 76, sg 1.025 pH 8.1-8.2 Kalkwasser seems perfect to get my pH and calcium up without raising my alkalinity, but I’m not sure if it’s too much for my tiny tank to handle. The tanks been up and running for about seven months and I have been doing 15% water changes with demineralized, aerated, buffered Instant Ocean water. I really appreciate all the work you and the crew have put into the web site, It’s helped me and others tremendously, I can’t thank you enough. Sincerely, Greg I would like to say… Success in a small, seeming under-lit reef system Thank you for a great book Robert, “the Conscientious marine aquarist” has been invaluable to me in setting up my first reef saltwater tank, despite your warnings, i started up a Nano reef on 15 gallons. my very
