Just what I was looking for.
I have availability issues of the fine copper in my area.
$7.00
Copper Sulfate Crystals A versatile farm chemical: Pest control - snails and slugs Pond cleaner...
$84.00
Copper Sulfate Crystals A versatile farm chemical Small Grade Sold as a reagent Canvas preservative...
$25.00
Copper Sulfate Granular Crystals Copper Sulfate Granular Crystals effectively controls both surface algae and bottom...
$35.00
Copper Sulfate Granular Crystals Copper Sulfate Granular Crystals effectively controls both surface algae and bottom...