Reverse Osmosis Water with Deionization Cartridge (RODI). Essentially filters all the impurities out of your water before you mix it with the salt. Combats algae growth!
You can but the units reasonably cheap now (and are also great for your icemaker if you have one), but at the same time you can usually buy this water at the LFS.
IMO, not having a RO unit/using RO water is why most new would-be hobbiests decide to call it quits.
Six line should be a good choice. Try and get one that is eating prepared food before you buy it.
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Originally Posted by strezman
sorry, im really new to this, what is RODI?? i used tap water with water conditioner of course.. i've had my water tested numerous times until my levels were correct? thinking about a 6 line wrasse but might want something a bit more hardy..
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