Silica gel beads

Allmost

New member
Hello,
I was wondering if I can melt silica beads found in new bags and such in ro boiling water and dose it to my reef ?

Want to dose silica, for sponges, but not sure what else is in the silica gel beads ... Or if it's reef safe.

Thank you.
 
You can dissolve them in sodium hydroxide and make sodium silicate. Might be easier just to buy the sodium silicate.
 
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