So the drain hose kit I bought at home depot won't handle salt water the manufacturer informed me so now I am back to square one. I can't use pvc and I even think flexspa will be too rigid. Where can I find that corrugated gray pvc boat bilge/van hose? I have seen the kits that the fish stores sell but I need longer pieces like 7-8 feet. Is there anywhere in the city I can maybe find something that will work. I am using 1" bulkheads with a 1" pvc section coming off. Would really appreciate some help and insight so I can get this up and running asap. Thanks.