Ask 'Dr. Spa' Q & A Message Board

Here is more info - it looks like baqua spa is not the only one....

"I do not recommend biguanide (SoftSoak, Revacil, BaquaSpa, etc.). It is very expensive and has more disadvantages than advantages IMHO. It will attack certain plastics that are used in spas and it has a tendancy to develop algae, white water mold, and pink slime."

online at
http://www.poolspaforum.com/forum/index.php?showtopic=5924

: I don't think it is a cal-spa issue.....I have a coast spa and i have
: the same issues you are describing. My understanding is that is is
: caused by the chemicals I use "baqua spa", which are known
: to eat the lexon clear plastic. The industry is well aware of this
: but they are not talking about it. I think they are calling it a
: "chemistry" problem because it technically is chemistry but
: it is not the owner that is to blame! How many of you use baqua
: spa/what chemicals do you guys use???