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Jack's Magic JMYELLOW2 2 lb The Yellow Stuff Algaecide is a powerful all-purpose algaecide. The Yellow Stuff quickly eliminates all types of algae breakouts, and is also a highly effective algae preventative. The Yellow Stuff is safe for all pool finishes and works all major pool sanitizing systems. Swimming can resume in a few hours. B004VU8ICM
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🇺🇸 Ship from USA · On Agora since 2026
$31.95