I've updated your membership, and moved your question to the right section, but . . . .
PoolForum is definitely the best place to ask chemical questions, but is not always the best to ask specific equipment questions. Very few of our members are in the pool business, but it's likely only someone who has done a lot of pool service can answer your question well. (I can't help, because I've never worked on a Jacuzzi brand pump.)
PoolSpaForum.com does have a lot of pool industry members, which means their pool chemical advice can be pretty dodgy, but you may be able to find someone there who knows that pump, and can talk you through the problem.
Regardless, posting exact pump model info would help.
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