You then may consider using a cup of bleach on you waterbed....bad idea, in the long run this will do more harm than good and a short term gain just so often isn't worth it in the long run. Next, if your thinking laterally and on the ball, you might consider a pool cleaning solution. Not a bad idea...but pool cleaning solutions tend to come by the bucket full and your little mattress is going to require careful dosing. Practically speaking, not a bad idea but far from ideal!
Ok, i'll put you out of your misery, do the clever thing and just buy a cheap waterbed conditioner on the internet. This stuff is small, generally only 6oz, so transport or delivery is easy and a 6oz pack will generally do you for a year. Also you'll quickly find that there are a lot of waterbed stores on the net all competing with one another for your business so prices are cheap cheap cheap, just get the right continent and your in business delivery cost wise. If you are willing to search further you'll even find places like amazon that do cheap waterbed conditioner these days.
So what's a cheap waterbed conditioner going to set you back? Well expect to pay in the region of $5-10 for an annual supply. You can simply pay by credit card over the net any time of the day and expect the stuff to turn up in the post a few days later. It's that simple and saves you the hassle of searching for ingredients, or pool suppliers or otherwise.
You might find while your shopping around on the net that other deals catch your eye, like a fill and drain kit complete with conditioner or a patch kit waterbed maintenance kit with conditioner, these types of item are handy to have around and by multi buying from one supplier you'll save on delivery should the time come that you'll actually need these other items. Note you won't need these extra kits to actually dose the bladder unless your bladder hasn't had a conditioning regime for a good while. If this is the case double up on the conditioner and get a fill drain kit because your going to have to empty rinse and refill the bladder and use a heavy dose if you do a proper job!
In terms of a branded conditioner blue magic waterbed products are probably the most recognisable premier brand and may sometimes cost a little more than others but you'll find that the others work just as well. If you have a waveless or semi waveless fiber filled bladder be sure to check that which ever solution you choose is suitable and as with all household chemicals don't let the kids near it and wash your hands with water after using a cheap waterbed conditioner of your choice!
