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VerdantGrotto's Fresh-Water Habitat

This is a discussion on VerdantGrotto's Fresh-Water Habitat within the Beginner Freshwater Aquarium forums, part of the Freshwater Fish and Aquariums category; --> Ok , It's water change day. I've switched one of the 5 gallon Jugs to tap-water so It doesn't "shock" the fish when I ...

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VerdantGrotto's Fresh-Water Habitat
Old 03-10-2013, 01:01 PM   #131
 
Ok , It's water change day. I've switched one of the 5 gallon Jugs to tap-water so It doesn't "shock" the fish when I switch completely to Tap. I doubt the difference in my tap water and the RO water with out minerals will hurt them but just to be on the safe side. We are about to have a new addition to the family in the next few weeks and I'm looking to trim down the expenses to allow for another girl ... So to that point, I will be attempting to no longer use Reverse Osmosis Water because it comes out to about 10$ a week.

I did however get another bottle of RO water (for the jug) and this water has some added minerals for taste. I was curious as to if the minerals added were undesirable for fish. The research I've done is inconclusive...

Disclaimer on lid states : Mineral Amounts are not nutritionally significant

Minerals are as follows :

Potassium Bicarbonate
Calcium Chloride
Magnesium Chloride
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Old 03-10-2013, 01:45 PM   #132
 
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Quote:
Originally Posted by VerdantGrotto View Post
I did however get another bottle of RO water (for the jug) and this water has some added minerals for taste. I was curious as to if the minerals added were undesirable for fish. The research I've done is inconclusive...

Disclaimer on lid states : Mineral Amounts are not nutritionally significant

Minerals are as follows :

Potassium Bicarbonate
Calcium Chloride
Magnesium Chloride
Calcium chloride and magnesium chloride are both in liquid fertilizers such as Flourish Comprehensive. Calcium and magnesium are the principal mineral salts that determine the GH of water. So in this sense, they are not going to harm fish, generally speaking. Potassium bicarbonate is similar, though the bicarbonate aspect deals with alkalinity (KH).

Soft water fish obviously have no need for these, so adding them is not going to be beneficial. But as you are increasing the tap water, presumably which has more calcium, magnesium, potassium, you are simply going in that direction.

Byron.
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Old 03-10-2013, 03:51 PM   #133
 
I knew magnesium and calcium were the source of hard water but it was always stated as Magnesium and calcium and never magnesium chloride or Calcium chloride. I was just curious as to if these were the same elements found in tap or other hard waters...
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Old 03-10-2013, 04:00 PM   #134
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Calcium and magnesium are elements, the others are compounds. Not the same thing. Calcium hardness is most often calcium carbonate.

Jeff
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Old 03-10-2013, 04:13 PM   #135
 
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These compounds split apart in water however, into the calcium and magnesium. These raise the hardness, whatever it is attached to in it's dry state doesn't really affect it. So you have ions of calcium and magnesium in your water (as well as chlorine ions).
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Old 03-10-2013, 04:18 PM   #136
 
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Yes, what I meant was that the calcium and magnesium (and to some extent potassium) are minerals that contribute to the GH of water. These are in plant fertilizers, as chlorides in the case of calcium, magnesium and potassium in Flourish Comp [also in their Replenish], as sulfates (all 3) in the case of Equilibrium, etc., so they are not harmful to fish, which was your question. However, we do not want to overdo these with soft water fish, as the minerals do impact the fish.

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Old 03-10-2013, 06:25 PM   #137
 
Very Informative Thank you all
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Old 03-20-2013, 02:00 PM   #138
 
Quote:
Originally Posted by VerdantGrotto View Post
Ok , It's water change day. I've switched one of the 5 gallon Jugs to tap-water so It doesn't "shock" the fish when I switch completely to Tap. I doubt the difference in my tap water and the RO water with out minerals will hurt them but just to be on the safe side. We are about to have a new addition to the family in the next few weeks and I'm looking to trim down the expenses to allow for another girl ... So to that point, I will be attempting to no longer use Reverse Osmosis Water because it comes out to about 10$ a week.

I did however get another bottle of RO water (for the jug) and this water has some added minerals for taste. I was curious as to if the minerals added were undesirable for fish. The research I've done is inconclusive...

Disclaimer on lid states : Mineral Amounts are not nutritionally significant

Minerals are as follows :

Potassium Bicarbonate
Calcium Chloride
Magnesium Chloride
Gee

if you chnage potassium bicarbonate to sodium bicarbonate you get the diy two part for maintaining calcium/magnesium/alk for marine systems. but then that requires much higher amounts then our FW systems.

just my ramblings which are pretty well off topic in this case.

my .02
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Old 03-21-2013, 10:01 AM   #139
 
Hard white dots

These small dots are starting to cover every piece of driftwood in my tank. I'm curious as to what they are. They seem a little different than the last set of unknown white dots that plagued a previous tank. These things seem to be hardened and will scrape off with a knife. I noticed a tank in a LFS that had an abundant amount of these and asked the "attendant" if he knew what they were... He hesitated and then finally stated that they must be some sort of calcification from minerals. I'm hesitant to buy that because the water in my tank is Soft... At least it was a month ago

Any idea what they are?

Last edited by VerdantGrotto; 03-21-2013 at 10:11 AM..
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Old 03-21-2013, 10:23 AM   #140
 
Im trying to add the attachment but the file size is too large. 20 kb ??? Really?

Anyway, I can PDF it so I'll do that. I'm also trying to add the image with PNG...
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