Amazon Basics Toilet Bowl Cleaner Blue Tablets with Oxygen Bleach, Unscented, 5 Count, Pack of 1

• Includes five 40g in-tank automatic toilet bowl cleaning tablets per pack
• Formulated with oxygen bleach to fight lime scale and hard water stains
• Leaves toilet bowl water with a soft blue tint after every flush
• Safe for plumbing and septic systems

To avoid the delay in customs clearance process for Dangerous Goods, the shipment shall be opened at our warehouse facility to check the severity of hazardous components. Please see the list of Dangerous goods here.

• Question : How many cleaning tablets come in the package?
  Answer : There are five toilet bowl cleaning tablets per package.
• Question : Is the product safe for plumbing and septic systems?
  Answer : Yes, the product is safe for plumbing and septic systems.
• Question : What is the satisfaction guarantee for this product?
  Answer : The product provides a satisfaction guarantee, and if you aren’t satisfied for any reason within a year of purchase, a refund will be provided.
• Question : About how often do these need replacement?
  Answer : Toilet bowl cleaner tablets can provide up to 30 days of concentrated cleaning. The life of the product can be affected by water temperature, chlorine level in the water, fill velocity in the tank, very turbulent refill cycle, or very soft water.
• Question : What are the dimensions of tablets themselves?
  Answer : Since we measure our tablets by weight the measurements are not always the same however, the approximate measurements are .5" thickness and 2" diameter.
• Question : Is this safe for use in modern toilet tank systems? They say not to use cleaning tablets as it will ruin the gaskets.
  Answer : Our products are tested in standard toilets. They are phosphate-free and safe for plumbing and septic systems.