How far is it from the lights in each tank? That affects how much light it's getting as much as the wpg does. Scott H. --- Dennis Sheridan <dilvish@pacbell.net> wrote: > Hi, Roger! Got rid of that carbon block co2 dooby. After > testing > with both a diy and an injection system, I don't know > what the hell > the carbon block was doing, but I couldn't get the tank > to behave > like the real co2 systems - in that cranking it up > wouldn't affect > pH among other things. So I switched to real co2. See no > difference > in plant growth but my other parameters have definitely > improved. > (Having some nice success with an extremely low tech tank > now, too. > Nothing but good soil substrate, medium lights, and only > weekly 25% > water changes. That's all the maintainance I do.) > > I have some Lobelia that is written up as red under low > intensity > lighting.. put one clump in a small tank with low lights > and the > upper leaves did turn red Put it back in the big tank > and they > turned green within 48 hours. I have another stem plant > whose name > I've forgotten and the leaves in shadow are much redder > than those > in the light. Again, the pictures I saw of the plant > before I got it > said it was red under low intensity.. But check out the > description > of the lobelia cardinalis and you should read what I'm > talking > about. (God, I hope I got the name right.. I'm awful > with names.) > > ----- Original Message ----- > From: "Roger Miller" <roger@spinn.net> > > Hmm. I didn't know that there were red plants that > required lower > intensity > > light to remain red. __________________________________ Do you Yahoo!? Yahoo! SiteBuilder - Free, easy-to-use web site design software http://sitebuilder.yahoo.com ------------------ To unsubscribe from this list, please send mail to majordomo@thekrib.com with "Unsubscribe aga-member" in the body of the message. Archives of this list can be found at http://lists.thekrib.com/aga-member/