Please help Re:white crystal substance in house plants

Steve Hinkson sphinkson at
Tue Jul 13 19:54:30 EST 1999

Use purified or distilled water, at least sometimes.  Changing the PH won't
eliminate the desolved salts.

lorrt at wrote:

> Need help.  I have been renewing dirt in house plants at least once a
> year because of the crystal formation in the soil.  Local plant store
> told me it was formed by hard water and to use ph up to bring water to
> normal.  This has slowed the process but has not eliminated it.  Is
> there anything else I can do?  My plants are very large and not easy to
> repot, any suggestions would be more than welcome.

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