PVC joint leak question
Filled my tank for the first time tonight to test everything out before adding RO/DI and salt. I have one plumbing leak that I need advice on. Bulkhead leads directly into elbow which is joined to a ball valve. When that ball valve is closed and the overflow box is full of water there is a once every 5 minute drip coming from the elbow to valve joint. Obviously my PVC primer/cement job was not good enough with this connection. What would you suggest as a course of action? The following 3 options are the only ideas I have come up with:
1. Heat the joint with a hot air gun and remove valve to elbow connection. I read this works but never actually tried it. Re-cement and try again.
2. Use some sort of sealant around leaking section. If so what sealant?
3. Put a bucket under it. Once valve is open and tank is operating there will be a minimal amount of water pressure on joint.
Thanks
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