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Answers to common questions about FlocBlocs

  1.  FlocBlocs should be removed from their plastic containers before use.
  2.  Simply placing a FlocBloc in a dam will not clarify the water.
  3.  FlocBlocs should NOT be left in still water as they will swell to form a gel and will become less beneficial.
  4.   Applying FlocBlocs at 2 points in a water stream usually improves solids agglomeration (i.e. flocculation) which in turn will improve the treated water clarity.
  5.  Partially used FlocBlocs can be stored in their original packaging if required.
  6.  For small flow rates, the FlocBlocs can be broken into small chips and placed in a pipe or overflow weir.
  7.  DamClear FlocBlocs do not affect water pH or salinity.
  8.  Flocculation of sediment and suspended solids occurs almost immediately. A portion of the flocculant polymer may carry forward in the water to re-flocculate the solids. This is of benefit when natural turbulence is excessive as these conditions may degrade the flocs.
  9.  Flocculation is affected by water temperature and water solids content. Cold water (< 8 °C) usually requires more mixing than warm water (>15°C). Low solids water requires more mixing than water with high solids content.
  10.  The active ingredient in FlocBlocs have been used for over 50 years in applications such as dam water clarification, drinking water purification, pollution minimisation, industrial wastewater treatment, mining, paper making and sewage treatment. The active ingredient is safe and is widely used to minimise pollution from many industrial and mining applications. It has a very low order of aquatic toxicity and when used according to Application Instructions is safe for most aquatic environments encountered in normal use.
  11.  Jar tests can be used to establish the best FlocBloc grade for a particular application. Jar tests compare the rate of solids settlement, floc size and water clarity when equal quantities of FlocBloc are added to equal volumes of water. Tests are typically undertaken with 500 mL samples of water in a measuring cylinder. A jar test procedure and test kits are available on request
  12.  Typical application rates are: 0.5 - 10 mg/L, or 0.5 kg - 10 kg per megalitre of water.
  13.  Do not over dose. Avoid over dosing by only using the appropriate number of FlocBlocs suited to the volume of water for treatment. On some occasions, where the clays are ultra-stable, DamClear Clarity Aid C maybe required to be used in conjunction with FlocBlocs for best results.

- Which FlocBloc grade should I use?