If it immediately begins dropping, then I think you're probably fighting something in the water. With a CYA of 135, you need to shock it to 20, let it drift back down to 10, and keep it there.
Janet
Re: Best CYA Level for Lots of Sun - Location Hawaii
If it immediately begins dropping, then I think you're probably fighting something in the water. With a CYA of 135, you need to shock it to 20, let it drift back down to 10, and keep it there.
Janet
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