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Originally Posted by StirCrazy
one thing to note, if you use RO water and nothing else like was mentioned it is unstable.. PH will be all over as there is nothing to buffer it alk will be nuts... not recommended in any book. what is recommended is that if you use RO, then you must use a re-mineralizer or something like that.. ie black water extract, discus buffer ect.. this will re buffer the water to proper levels as you won't have anything left in the water to buffer it.
Steve
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Ditto - remineralized is the way to go. What will happen over a period of time is that not only will the hardness/alk be all over the place, but the ionic balance of the water will become too dilute, actually causing osmotic shock to your animals... to use it once in a while for a 10% water change is fine for reducing nutrient levels and algae control, but prolonged use will eventually make your water uninhabitable... I did this once and wiped out a tank... sometimes we have to learn the hard way... *SIGH*
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135G Mixed Reef. Bullet 2, 25 gal refugium, 2 X250W MH + 4X 96W PC\'s, DIY Calcium Reactor, Coralife 1/6 HP Chiller, Phosban, Tunze, 2 closed loops & SQWD\'s, Seios, Coralife 4 stage RO/DI & a bunch of other expensive gadgets... I may never retire, but I'm gonnahavahelluvanaquarium!
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