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Re: Aquatic Plants Digest V3 #723

I would like to ask some of you out there a "hardness" question. I have tried
basically everything for the last 8 months or so in my 55 gallon planted tank. I
have a neutral ph of 7.0. I inject CO2, and add PMDD daily to obtain an iron
reading of around 1.0ppm. I have 230 watts of VHO lighting through an ice cap
ballast. I have tried everything to make my plants grow, and their just not
growing like I think they should be. 

Today I purchased a GH and KH test kit and tested my tap water. My kH reads
around 8-9, while my GH reads around 12. I knew my water was fairly hard. Has
anyone had success growing plants in water this hard??? I am considering
purchasing a deionizer from my LFS, but not sure if this would make a
difference. This would basically strip my tap water of all it's chemicals, I
could than fertilize using the PMDD. Any suggestions would be appreciated. I am
running out of options, as well as money. 

Dana Kennedy