Jacuzzi j-300 j-355 User Manual

20

8. 

Keeping the insulating cover in place anytime the spa is not in 

• 

use will reduce the time required for heating, thereby minimizing 

operating costs.

The time required for initial heat-up will vary depending on the 

• 

starting water temperature.

Check water temperature carefully before entering hot tub! 

Excessive water temperature can cause burns, welts and body 

temperature to rise, hyperthermia (over-heating).

!

Steps 9-16 below are only required when sanitizer levels are unstable 

after performing steps 1-6 above. Disregard steps 9-16 below if sanitizer 

levels remain stable at 3.0-4.0 ppm chlorine or 2.0-4.0 ppm bromine after 

performing steps 1-6.

9.  Add 2.5 ounces of sodium dichlor for every 100 gallons of water. 

Refer to the table below for approximate water fill volume by model.

Never add chlorine tablets (trichlor) or acid to your hot tub for 

any reason! These chemical may damage components within 

your hot tub, burn or irritate your skin, create a rash, and void 

the manufacturer warranty for your spa.

!

J-375

415 Gal (1,571 L)

10.5 oz

J-365

400 Gal (1,514 L)

10.0 oz

J-355

390 Gal (1,476 L)

10.0 oz

J-345

340 Gal (1,287 L)

8.5 oz

J-335

330 Gal (1,249 L)

8.0 oz

J-325

325 Gal (1,230 L)

8.0 oz

J-315

210 Gal (795 L)

5.0 oz

*Use average fill volume for chemical maintenance