I would leave the posts here as they are, just continue to post the new stuff.I will be editing original post with instructions and hope to write article when I have time.
When it's all done and has been working well for at least a few weeks,
then write the article.
Is that elbow assembly a drain for upper reservoir?
Not sure silicone will hold up long term, it doesn't stick to HDPE very well.
Have you ever heard of uniseals?
Those might be a very good application here, I used them for years on pond filter systems.
Say, what is your climate?
Please add your general geographical location to your profile.
It's easy to do, then it's always there!