1. you got an edit bottom below your posts if you need to add stuff to your message.
2. if your ambient humidity is very high you'll have to work much harder to keep your indoor humidity down.
The easiest way to lower the humidity is to add a lot of venting and increasing the temperature.
3. A dehumidifier is expensive but works well, but also air conditioning lowers the humidity pretty well.
4. Flowering with humidit over 65% is calling for mold.