tds in ro/di water

myfrostymember · 02/11/2008, 11:38 PM

i was reading about changing the ro/di filter things and thought i should check mine. So i have zero tds coming from my ro/di but when i check the water coming from my storage rubbermaid bucket i have .3 ppt
is that to high?
what is causing this?
what do you guys use to store your top-off water?
how often do you clean the top-off water container?
do you ever clean your top-off pump?
do you ever clean your top-off pumps hose?
do you change your ro/di filters even if it still reads zero tds ppt?
is there something else i should be checking for to be sure its good water?

thanks matt

alve · 02/11/2008, 11:51 PM

The .3 ppt you read is from the storage container leaching. I read that the leaching from food grade containers like the Brute is nothing harmfull.

I have 2 44g Brute trash cans setup, one above the other. The top one holds RO/DI water, the bottom one holds salt water. After I do a water change I clean out the saltwater can and let it air dry. Once it is dry I drain my RO/DI water from the top can via a valve into the saltwater can and start making new salt water.
While I do that I clean out the fresh water container and let that airdry and the next day I start filling RO/DI water again.

02/11/2008, 11:38 PM	#1
myfrostymember Registered Member Join Date: Oct 2006 Posts: 503	tds in ro/di water i was reading about changing the ro/di filter things and thought i should check mine. So i have zero tds coming from my ro/di but when i check the water coming from my storage rubbermaid bucket i have .3 ppt is that to high? what is causing this? what do you guys use to store your top-off water? how often do you clean the top-off water container? do you ever clean your top-off pump? do you ever clean your top-off pumps hose? do you change your ro/di filters even if it still reads zero tds ppt? is there something else i should be checking for to be sure its good water? thanks matt

02/11/2008, 11:51 PM	#2
alve Registered Member Join Date: Feb 2002 Location: Redwood City, CA Posts: 312	The .3 ppt you read is from the storage container leaching. I read that the leaching from food grade containers like the Brute is nothing harmfull. I have 2 44g Brute trash cans setup, one above the other. The top one holds RO/DI water, the bottom one holds salt water. After I do a water change I clean out the saltwater can and let it air dry. Once it is dry I drain my RO/DI water from the top can via a valve into the saltwater can and start making new salt water. While I do that I clean out the fresh water container and let that airdry and the next day I start filling RO/DI water again.