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Old 08-07-2013, 05:04 PM   #31
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yeah i have learned my lesson and have order the reef salt for 200gal. i plan on getting corals one of these days. so although i don't have a single coral yet, i'm just planning ahead of time.

i understand RO/DI is almost a must in SW and especially for reef tank. i will get one when do a bit more research into it. it took me a few days to find out the most reputable reef salt out there in the market.
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Old 08-07-2013, 05:33 PM   #32
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If you plan on going reef at some point, id start using instant ocean reef crystals salt. The 200g box on amazon is only 3 dollars more than the regular IO
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my 125g Sw...Round 2!http://www.aquariumadvice.com/forums...220171-33.html
ever see someone cut a 125g in half??
http://www.aquariumadvice.com/forums...-286438-4.html
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Old 08-07-2013, 05:35 PM   #33
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If you plan on going reef at some point, id start using instant ocean reef crystals salt. The 200g box on amazon is only 3 dollars more than the regular IO
yeah, i already did that
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Old 08-07-2013, 09:35 PM   #34
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Good move. That way youll get the added trace elements and calcium into your system
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my 125g Sw...Round 2!http://www.aquariumadvice.com/forums...220171-33.html
ever see someone cut a 125g in half??
http://www.aquariumadvice.com/forums...-286438-4.html
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Old 08-07-2013, 10:27 PM   #35
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...I have kept freshwater as well, and RO/DI water is preferred in that area as well. A lot of benefits come from using RO/DI water. I have heard stories about peoples tanks crashing years after they set them up because they used tap water and the minerals in the tap water build up over a slow amount of time to levels that fish do not like. So tap is not the best bet to use regardless of what kind of aquarium you use. Some City water has Fluoride and Chlorine. That can't be good for fish! ...
Curious... how do you handle RODI in FW? Is there a mineral mix you add to it?? And somebody said they use it to Top Off for evap. FW & SW aren't the same, you aren't adding pure water to avoid increasing salinity. Since I have several FW, I'm curious about the usage of RODI & the disadvantages of NOT using it.
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Old 08-07-2013, 10:35 PM   #36
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You dont use rodi in sw to avoid salinity creep. You ise it to avoid the usually high tds levels
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ever see someone cut a 125g in half??
http://www.aquariumadvice.com/forums...-286438-4.html
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Old 08-07-2013, 11:17 PM   #37
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You can use RO water only and not RODI. The cleaner you start your tank the easier it is to keep up. You can always add minerals that you need.
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Old 08-08-2013, 01:41 AM   #38
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regardless of the type of aquarium RODI has multiple benefits. for instance, the discus tank for FW will benefit the fish by removing harsh chemicals in the water and lower the pH since that's discus' natural environment and just how sensitive they are.
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Old 08-08-2013, 02:21 AM   #39
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I raised cichlids in tap water for years before RO units became available. Use to collect rainwater as it was nice and soft. PH was almost perfect. But SW is different as there are metals and DOCs in quantity in much of the water out of the tap that can at the best grow algae. Some places are luckier than others and a TDS meter will tell you that. But I like starting with water I know is pure. I think it's critical for a reef and probably a good idea in a fish only.
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Old 08-08-2013, 09:22 AM   #40
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You dont use rodi in sw to avoid salinity creep. You ise it to avoid the usually high tds levels
No, I was referring to somebody who said they used RO or RODI in Top Off for FW. I'm aware of the use of RODI for SW in general besides avoiding the salinity going up in top offs. I buy RODI & do *not* use tap myself in my FOWLR.

To everybody... My question is for Cichlids & Discus, do you add minerals to the water?? I would think just plain RO or RODI would be too pure for fish. Edit: I just saw Baron said you can add minerals you need. I've never seen the products. I really like the Discus at my LFS. I'm THINKIN of keeping a smaller SW tank & making my large tank a FW. We'll see... I was curious about the Discus-keeping process. Thks!
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