Knockdown High Performance Flocculant Returning an empty bottle?:Yes and keep your pool beautiful

and keep your pool beautiful year-round — no bulky covers required

wait a few seconds

Reduces chemical demand and maintenance time

Will not disrupt water balance

Knockdown High Performance Flocculant Returning an empty bottle?:Yes and keep your pool beautifulDrop unfilterable debris for clear water. Fast. When clouds of debris make your pool look less than perfect, Knockdown delivers. This high performance, non alum flocculant binds fine particles into heavy clumps that sink to the bottom so you can easily vacuum them away. Unlike clarifiers that slowly burden your filter, Knockdown works fast with the pump off, restoring crystal clarity overnight. Its effective over a wide pH range, safe for all