The TankFRESH™ Tank Shock Treatment (16 oz) is a concentrated, extra-strength formula that should be used if tough taste and odor issues are present and a great way to de-winterize your freshwater tank or prepare for storage. Its biodegradable formula disinfects without the use of common bleach, so it is safe for rubber seals.  Just add 1 oz to 10 gallons of tank water and taste and odor issues disappear.  Great for a fresh start when buying a pre-owned boat or RV!

Rapidly restore your fresh water tank to an ultra-clear quality.
Cleans and sanitizes the inside of the freshwater tanks and the plumbing.
Removes Chlorine, Sulphur, Plastic or Metal Odor and Taste
Biodegradable and eco-friendly formula
Eliminates bad odors in RVs and boat.
Safe for all pipes, including PVC.
No overpowering fragrances. Proudly made in the USA.

IMPORTANT: Never use unclean or unfit for consumption water to sterilize your water tank.

Note:  Not available for shipping to Canada.

SDS:

https://cdn.shopify.com/s/files/1/0138/5581/7785/files/TFF2016_MSDS_Clear2o_NA_EN_Tank-Fresh-Tank-Shock-Treatment_1.pdf?v=1683994436