Duke Posted April 14, 2006 Report Share Posted April 14, 2006 I have a spare 5000G water tank sitting at the top of my driveway in the garden. It is for water transfer to our main tank as a truck could not reach it. We have been here for 8months and have gone through summer with no issuies and we had some dry spells, so we have not needed this tank. We are in Hunua and it rains GOOD when it rains. Anyway the previous owners said they never ran out of water in 8years... so the sort of fresh water in the spare tank at the moment has been there for years. Thinking thinking that maybe I could get this filled with salt water? 5000G will last a very long time and I could automate water changes with my PLC controller. Will the water last? I know Jansen get water truck in so I should be able too. Any idea on cost? Who does this? Is it worth investigating? Thinking about the cost of making ASW for my new tank, at least $130. So if it cost $300 - $400 then it a bargin in the long run. I will need to run a hose about 50m but it is all down hill so no pumps required. Sounds made for the job. :lol: Quote Link to comment Share on other sites More sharing options...
wasp Posted April 14, 2006 Report Share Posted April 14, 2006 Stored NSW does slowly degrade, I've tested it, then tested again after it's been stored a few months. I found both calcium and alkalinty dropped although not a huge amount, and phosphate which had been detectable, in those days I used a Seachem kit, dropped to undetectable, with the Seachem kit. Presumably all this is due to precipitation. However I still quite regularly store NSW for several months, it is a simple matter to bring calcium etc back up to required levels. While it is often said it should be stored in an aerated container with a powerhead, I don't bother with any of that, mine is stored in 20 litre plastic containers with the lid on, no aeration, nothing. I think the main thing is to collect clean water in the first place, so there is nothing in there going rotten or anything. Quote Link to comment Share on other sites More sharing options...
Duke Posted April 14, 2006 Author Report Share Posted April 14, 2006 So not a good idea? Quote Link to comment Share on other sites More sharing options...
wasp Posted April 14, 2006 Report Share Posted April 14, 2006 Well to me it is a good idea. Essentially you would be doing the same thing as me, just on a heckuva much bigger scale. If you could get it delivered at a good price, who wouldn't want 5000 litres salt water ready on tap? If you asked Jansens I am sure they would be happy to tell you who their carrier is, don't see why they wouldn't. Otherwise there are some guys here with pretty large trailers & tanks. Quote Link to comment Share on other sites More sharing options...
Ira Posted April 14, 2006 Report Share Posted April 14, 2006 I think most companies that deliver water also deliver saltwater. Or at least the few I've seen looked like they advertised also saltwater. No harm calling a few and asking. Quote Link to comment Share on other sites More sharing options...
chimera Posted April 14, 2006 Report Share Posted April 14, 2006 i considered (and still am) getting one of the 1,000 litre food grade containers on trademe and sitting it under my house and using it for storage. problem is getting it under my house does anyone have a large container that they collect NSW with that i could borrow? im keen on doing a 50% (about 500 litre) water change but that means 3 or 4 trips to the beach with the 8 or so buckets i have. thats a little too painful for my liking! Quote Link to comment Share on other sites More sharing options...
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