Cory, Very true and shell, being the Aragonite crystal form of CaCO3 instead of being the calcite form of limestone and dolomite, is more soluble in water so it will affect the pH more quickly. Mike Wise Cory and Susanne Williamson wrote: > Crushed oyster shells (available as a bird supplement) work well too. > > Cory > ----- Original Message ----- > From: John Wubbolt <BigJohnW@webtv.net> > To: <apisto@majordomo.pobox.com> > Sent: February 1, 2000 6:50 AM > Subject: RE: Ph which chems?? > > > Hey gooch > > How high do you need to raise the pH. If you only need to stabilize it > > only a cup full of dolomite will do the trick without causing your water > > to harden too much. If the tank is heavily planted the plants will go > > nuts in there too. The stuff given off ( trying not to be technical) > > will be used by the plants giving your tank a nice balance. A buddy > > of mine is really into planted tanks, i'm not, and his pH crashes with > > all his plants and soft soft water, so he uses a small nylon bag with a > > cup full of dolomite in the back of each tank to keep it from having a > > pH crash. Works great for him now and his pH has leveled off in what > > he calls a nice workable range. > > > > John > > > > > > > > ------------------------------------------------------------------------- > > This is the apistogramma mailing list, apisto@listbox.com. > > For instructions on how to subscribe or unsubscribe or get help, > > email apisto-request@listbox.com. > > Search http://altavista.digital.com for "Apistogramma Mailing List > Archives"! > > > > ------------------------------------------------------------------------- > This is the apistogramma mailing list, apisto@listbox.com. > For instructions on how to subscribe or unsubscribe or get help, > email apisto-request@listbox.com. > Search http://altavista.digital.com for "Apistogramma Mailing List Archives"! ------------------------------------------------------------------------- This is the apistogramma mailing list, apisto@listbox.com. For instructions on how to subscribe or unsubscribe or get help, email apisto-request@listbox.com. Search http://altavista.digital.com for "Apistogramma Mailing List Archives"!