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caseynewton 08-24-2011 02:59 PM

RO water w/ Minerals
I have a planted community tank with Tetras and Discus. I use RO water and minerals. I was wondering what should be a healthy TDS reading. With RO water it's zero. Tap water is 200 ppm. What is a healthy reading for community tank?

Thanks for your help.

Fishguy2727 08-24-2011 09:50 PM

I would use at least 50% tap. RO leaves nothing in the water, no stability. What are you using to reconstitute it?

BillD 08-24-2011 10:15 PM

Is the tap water 200 microSiemans?

caseynewton 08-24-2011 10:58 PM

I add discus code from brightwells.

caseynewton 08-24-2011 10:59 PM

Should be ppm. Is what the digital reader reads at. I can take it again. I don't test tap water because I use 100% RO water.

Fishguy2727 08-24-2011 11:21 PM

I definitely wouldn't use all RO. 50% tap should be fine and a lot more stable. I wouldn't trust Brightwell's stuff, especially not as the only thing used to reconstitute 100% RO water.

We used half tap and half RO at the shop and the discus were breeding in the sales tanks.

Discus are not the super sensitive fish many make them out to be. They need high quality water, like any fish. But they will breed with alkaline pH.

jetajockey 08-24-2011 11:36 PM

I've tested my discus tank and it generally reads <100ppm all the time, it happens that way naturally though I don't add any special water.

caseynewton 08-24-2011 11:47 PM

Thanks all. I might go to Kents Discus Essentials.

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