Here is the context.

But according to recent polling, even the stellar economy can't save Trump from the firehouse of irredeemable qualities that pour forth from him on a daily and, indeed, hourly basis.

And what does 'pour forth from' here mean,too?

Here's the link of the article in which i saw this sentence.

Trump is so abhorrent, even a stellar economy can't save him

What do firehouse and pour forth from mean in this sentence?

But according to recent polling, even the stellar economy can't save Trump from the firehouse of irredeemable qualities that pour forth from him on a daily and, indeed, hourly basis.

Here's the link of the article in which I saw this sentence:
Trump is so abhorrent, even a stellar economy can't save him