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- USA
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Ships within 48 hours · Estimated delivery Aug 29 - Sep 3
Pay in 4 interest-free payments of $30.65 Learn more
Ships within 48 hours · Estimated delivery Aug 29 - Sep 3
Mag-I-Cal® for Lawns in Acidic has the power to do it all in just one easy application
The best time to apply is in the spring through fall depending on the region
Shelf Life: Indefinite
Energetic cats will love this interactive tunnel for batting
Warm in the Winter
Crystal Blue 15 Lb. Copper Sulfate Smart Crystals 6-Acre Coverage Area Moss & Algae Killer Brand_Earth Science Mag-I-Cal® for Lawns in AcidicEffectively controls most types of algae. Apply by casting copper crystals over floating algae mats, dissolve in water, and spray, or place crystals in porous bag and drag behind boat. Treat a portion of the pond at a time to prevent oxygen depletion.