Using bottled distilled water instead of RO/DI

Discussion in 'New To The Hobby' started by sig197, Apr 13, 2011.

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  1. dellyjoe

    dellyjoe Teardrop Maxima Clam

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    right now using distilled water is like just using ro water and ro will work it is what i use but i only use it because i do not have the money for a RODI uit.

    so like a said you can use Distilled water but i would not. is your see happier fish and corals if you use RODI water. i hope this helps.
     
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  3. AZDesertRat

    AZDesertRat Giant Squid

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    Distilled is better than RO only and comparable to RO/DI provided the distillation apparatus is in good shape and the water has not leached anything from the plastic bottles. RO by itself is only a 90 to 98% efficient device so will still contain some contaminants.

    In order of preference
    1. Personal RO/DI
    2. purchased RO/DI water from a trusted source
    3. bottled distilled
    4. personal RO only
    5. bottled RO
     
  4. Jgut3

    Jgut3 Fire Worm

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    Just buy a rodi unit youll be happy your fish will be happy. In the long run youll save money. Ive had my rodi for around 6 months and you couldnt take it from me. Lol. Just my .02¢
     
  5. damon

    damon Sea Dragon

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    I don't really know that much about it, but I was under the impression that there is a fare amount of stuff that can evaporate and condense with the water, so unless the distilled water was filtered too it's not as good as ro/di water.
     
  6. saints fan 420

    saints fan 420 Expensive Colorful Sticks

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    My machine is seviced every 2 weeks. It tells u on the display screen when it was last serviced. My TSS always read 0
    And never had algea issue
     
  7. AZDesertRat

    AZDesertRat Giant Squid

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    Servicing a vending machine usually means they wiped it down with a rag soaked in bleach and maybe chaged the prefilter which has nothing to do with TDS, it protects the membrane. Vending machine owners really could care less about TDS, as long as the water doesn't have a chlorine smell or objectionable tastes and odors 99.9% of the users don't care, they are going to drink it and don't own a reef tank so quality is not so much an issue.

    Distilled water can contain some volatiles the tget trapped in the steam and condensed. This is rarely a problem though as most have carbon filtration in front of the still to trap VOCs. I would still recommend RO/DI before distilled but for small systems or those who do not have access to RO/DI its a viable option.
     
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  9. Jgut3

    Jgut3 Fire Worm

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    I was under the same impression.
     
  10. chappy85

    chappy85 Coral Banded Shrimp

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    are there copper pipes/tanks involved in the distilling process used in bottled distilled water? i got the impression somewhere there might have been and was too affraid to risk the possibility of anything bad ending up in the water so didnt use it.
    probably should have asked az back when i needed it lol
     
  11. AZDesertRat

    AZDesertRat Giant Squid

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    Years ago copper was common in distillation apparatus, I remember about 20 year ago when the compliance lab I used had a big party when they finally removed their old copper still and went to ultrapure water. It was quite an event, they even catered a dinner!

    Still today are usually epoxy or glass lined exotic metals like titanium and do not have any copper lines. Most go through a filtration process even beofe it reaches the still so they do not get as much mineralization in the equipment that requires frequent cleaning so its pretty darn pure when it leaves the apparatus. The bottles used like in the one gallon grocery store varities amy leach a small amount of chemicals but not enough to be concerned with in most cases.
     
  12. saints fan 420

    saints fan 420 Expensive Colorful Sticks

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    well they must be doing something,,ive been using it for a year and every bucket i fill up reads 0 tds before it goes in the back of my jeep..supposedly whenever the membrane is changed it automatically logs that its been serviced...thats what they guy said when he was servicing it one time when i was there... but ive never had water that didnt read 0 on a tds meter..