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can i use Calcium Chloride and Magnesium Chloride

RLee2

New Member
Joined
6 Sep 2022
Messages
24
Location
california
I ask because I have loads of Easy Life calcium and magnesium supplements left over from reefing, I emailed Easy Life and they said 'They use the Chloride salts of these nutrients'.
So should i get rid of them or can i use them to re-mineralise my ro water?
Yes you could use them. Of course they would also raise your chloride levels pretty high. Most people that I know who use calcium chloride use magnesium sulfate instead of magnesium chloride because it raises chloride so much. For example 14ppm calcium from calcium chloride has 24 ppm of chloride. 14 ppm of magnesium from magnesium chloride has 40 ppm of chloride.
 
Last edited:

_Maq_

Member
Joined
23 Jun 2022
Messages
622
Location
Czech Republic
In general, I consider sulfates and chlorides (in reasonable amounts) harmless to plants. Not so sure about fish and other animals. Yes, if possible, I try to keep roughly the same amount of both, but never seen it having made any difference.
Is anyone's experience or knowledge different? Do you know of any reasons to keep chlorides (or sulfates, for their part) in check?
 

john6

Member
Thread starter
Joined
23 Mar 2022
Messages
206
Location
Scunthorpe
In general, I consider sulfates and chlorides (in reasonable amounts) harmless to plants. Not so sure about fish and other animals. Yes, if possible, I try to keep roughly the same amount of both, but never seen it having made any difference.
Is anyone's experience or knowledge different? Do you know of any reasons to keep chlorides (or sulfates, for their part) in check?
I have a lot of expensive Discus fish in my tank so as i would have no control over how much chloride i was adding i've decided against using them and get the salts.
 
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