up vote 0 down vote. You can nest up to 7 valid or invalid entries. If you need to have more than that you should perhaps designate a column for your black list of entries that you can add to when an occurrence causes a count that you don't believe should be valid.
So how much does a float tank cost? Float tank prices vary widely depending on the size and the features of the float tank or pod you want to buy. Expect to spend anywhere from $12,000 to $40,000 to buy each commercial-grade float tank needed in your spa.
1 Depending on the size of the tank, the cost to pump it out can range from $100 to $350 or more. Some companies charge a flat rate for pumping while others charge by the hour. 2  A smaller tank could cost as little as $100 to pump out.  A larger tank may cost from $200-$350 or more to pump out.