Daltons Water Storage Crystals

Daltons Water Storage Crystals act as a water retainer by absorbing and retaining large quantities of water and nutrients. 

Perfect for use in baskets, pots, containers and dry soils. 

  • Absorb up to 500 times their weight in water
  • Release 95% of absorbed water into soil
  • Protect against drought
  • Increase aeration in clay soils
  • Increase water holding capacity for 1-3 years 
  • Significantly reduce water and nutrient loss due to leaching
  • Non-toxic and bio-degradable


  • Daltons Water Storage Crystals 500gm
  • Daltons Water Storage Crystals 250gm

Water Storage Crystals need to be mixed into soil or mix so they are in the plant root zone. 

Container Mixes

Evenly mix Daltons Water Storage Crystals into the substrate at a rate of 1½-3g per litre of soil. Water well and leave to soak before planting. Adjust level of mix in container after crystals have expanded.

Turf and Dry Soils

Broadcast at a rate of 30-50g per m2 across soil to be planted. Mix into soil profile. Crystals can be applied with fertiliser for ease of distribution.


For cuttings and cut flowers use 15g per litre of water and mix well. 


How much do I need?

Our volume calculator can help you to work out how may bags of the product you will need. You'll need to know:

  • Length of your garden box or area
  • Width of you garden box or area
  • How deep you're going to lay the product
  • Which product and bag sizes you want to use

go to volume calculator


How much do I need?

You'll need to know:

  • - length of your garden box or area
  • - width of your garden box or area
  • - how deep you're going with the product
  • - which product and bag size you want to use

All composts, garden mixes & lawn soils will settle when spread and watered so we recommend allowing for around 5-10% compaction when ordering

Conversion of 6 x 4ft trailer load to cubic metres:

1 x trailer load= 0.7 cubic metres
1 1/2 x trailer loads= 1 cubic metre
3 x trailer loads= 2 cubic metres
4 1/2 x trailer loads= 3 cubic metres

Volume Calculator

Amount Required

Error: Something went wrong calculating the volume. Please check the measurements you have entered.
Warning: This is quite a large volume, are you sure you have entered your measurements correctly and selected the right units?
Compaction allowance:  %
Recommended order volume:   
Calculated volume:   
Where to buy:
Daltons Water Storage Crystals can be purchased from*
*Stores are indicative only. Please phone stores for confirmation of availability.