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Old 01/31/2006, 12:53 PM
Universal Universal is offline
Registered Member
Join Date: Oct 2003
Location: Australia
Posts: 101
Top that water up

Hello Reefers,

I was wondering if i can use my natural spring water bottles for top up water.

The water contains (all in mg/L) -

Chlorides 50
Sodium 33
Bicarbonate 10
Magnesium 3.5
Calcium 1
Potassium 1

Thanks fellas

happy fish = happy reefer
Old 01/31/2006, 01:06 PM
Agu Agu is offline
RC Mod
Join Date: Oct 1999
Location: Venice, Florida
Posts: 15,230
And what else does it contain they don't test for ? Remember the water evaporates but everything else stays in the tank.

If you don't have access to ro/di use distilled water.
Less technology , more biology .
Old 01/31/2006, 01:12 PM
TekCat TekCat is offline
Cyanobacteria farmer
Join Date: Sep 2005
Location: MN
Posts: 3,126
I agree with Agu, there could be a cocktail of minerals dissolved in spring water that you dont want it in your tank.

Think of it this way, spring water comes from the ground. So, it might contain whatever gets washed out from the soil, rocks, etc...

IMO, RO/DI or distilled water is the way to go.
Old 02/01/2006, 05:31 AM
Universal Universal is offline
Registered Member
Join Date: Oct 2003
Location: Australia
Posts: 101
Cheers fellas, I think I'll go with distilled water.
happy fish = happy reefer

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