Good question, Krystal. Yes, you may add Sea Foam to the oil at any time.
That said, we recommend adding Sea Foam 100-300 miles before you change your oil. That way, the Sea Foam has time to circulate and clean, and all the residue/deposits that were reliquefied by the Sea Foam can be drained away with the old oil.
This is especially true for an older vehicle that likely has a dirtier oil crankcase.
Just make sure to never exceed one treatment per batch of oil.
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Good question, Krystal. Yes, you may add Sea Foam to the oil at any time.
That said, we recommend adding Sea Foam 100-300 miles before you change your oil. That way, the Sea Foam has time to circulate and clean, and all the residue/deposits that were reliquefied by the Sea Foam can be drained away with the old oil.
This is especially true for an older vehicle that likely has a dirtier oil crankcase.
Just make sure to never exceed one treatment per batch of oil.