Tannin based multifunctional boiler water treatment – 6305

Available in Bottle, Disk or Stick form

  • Accepta 6305: 4 x 5.45kg Bottles
  • Accepta 6305D: 8 x 2.5kg Disks
  • Accepta 6305S: 30 x 350g Sticks contained in water-soluble bags


Accepta 6305 is a Tannin based multifunctional  boiler water treatment in solid form for softened water make-up application.  This is a proprietary boiler water treatment containing Natural Tannins, high performance sludge & scale conditioners and alkalinity builders.

Accepta 6305 contains only ingredients approved under the United States Food & Drug Administration Regulations Title 21, Section 173.310 Boiler Water Additives.


Accepta 6305 should be dosed to the feedwater to produce a Tannin reserve of 120 – 160ppm or as defined for the boiler operating conditions and in consideration of the recommendations set out in BS2486 – 1997. Accepta 6305 is not suited to boiler systems with feed temperatures below 80degC.


Appearance:                 Solid – Dark Brown

Odour:                         mild

pH:                               10  @1%


Accepta 6305 should be kept away from acids and oxidising agents in a cool dry area.  Properly stored, the product will remain effective for 24 – 36 months.  Consult Safety Data Sheet for further information


Accepta 6305 is a solid product.  In the unlikely event of a spillage, do not allow to enter watercourse or drains. Small spillages – dilute with plenty of water and wash to waste.


Feed Accepta 6305 using an Accepta board system.

It is always advisable to carry out a ‘Control Of Substances Hazardous to Health’ (COSHH) assessment before use.

For further technical assistance concerning Accepta 6301 please contact Accepta.

Safety, Storage & Handling

For full details concerning safety precautions, storage and handling procedures for this product please refer to the latest Safety Data Sheet. To request the latest MSDS for this product please fill out the form below.

Additional information

Weight 25 kg