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Hi James. Yes, The cost of those "lite" tanks seems quite low to me. No way
could I build a tank for that and have the connections and all. Because my tank
is inside the hull, I like the idea of being able to see the water level. The
idea is to be able to add water to a pre-determined level while at the surface
depending on what buoyancy is needed. Small adjustments can be made while still
shallow so no really high pressure would be required. If I needed a little
adjustment at depth though, the tank can still take it. I can see the water
level, and add a half gallon or remove a half gallon. ( that takes a pump )
If the tank was outside the hull, I think I'd
probably go with a stainless one. I saw some SS pipe at the
recycle yard and a two foot piece of 1/4 " X 10" was about $80. End cap
plate, and fittings would likely add another $100 or so. A little pricey but not
out of reach.
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