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.
The national average cost for septic tank installation is $5,318, with most homeowners spending between $2,721 and $7,937. The cost to install a 1,000-gallon tank, typically used for a 3-bedroom home, can range anywhere from $1,500 to $4,000, with the tank itself costing anywhere from $600 to $1,000.