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Things You Should Know About WATERGROWER

WATERGROWER is a solid substance containing 97% purified water and 3% cellulose fibre based compound. After solidification, the physical nature of normal water changes dramatically and remains remarkably stable until added to soil. Naturally occurring microbes in the soil gradually convert WATERGROWER back to a liquid creating an efficient slow release and long acting irrigation system.

Watering In

Watering in on days 1, 3 and 5 after planting is crucial to helping a plant in a new environment get into its cycle of transpiration, and absorption of moisture through the roots by osmosis. The reason watering is needed in the beginning is that it takes about 5 days for the microbes in the soil to react with the cellulose binding agent (gel) in WATERGROWER and break it down and release water. No further watering beyond day 5 is required.

Plants using WATERGROWER

The following is a guide to the quantity of WATERGROWER needed for the size of plant.

Plant Height




1 litre

2 PVC tubes 70mm x 170mm


2 litres

4 PVC tubes 70mm x 170mm


3 litres

6 PVC tubes 70mm x 170mm


4-6 Litres depending on wood content in the tree

8-12 PVC tubes 70mm x 170mm


Use of PVC Pipe

PVC pipe is the preferred method of applying WATERGROWER for a couple of reasons.

For WATERGROWER to work effectively, it must be kept airtight, by use of a correctly fitting PVC cap. The base of tube that is inserted into a hole in the soil must be open so that WATERGROWER is in direct contact with the soil.  The contact with the soil allows microbial activity which in turn creates controlled release of water to the plant.

The other reason for using PVC pipe is that it makes replenishing WATERGROWER much easier rather than digging a hole and placing the wraps (or sausages) cut in half into the ground each time WATERGROWER needs replacement.

The PVC pipe is cut into 170mm lengths because we assume that the top of the tube is flush with the surface of the soil, and the main feeding roots, the young fibrous roots, are predominantly at a depth of 100mm-300mm for plants ranging from less than 0.5m high up to a height of 5 metres.

Pipe sizes in use for WATERGROWER range from 60mm diameter to 90mm.  All work satisfactorily, but the narrower pipe will release the water at a slower rate due to a smaller area of gel being in contact with the soil, and anything under 65mm diameter is more difficult to refill as the pipe is narrower than the wrapped WATERGROWER.

Plant Stress

It is quite common for plants coming from a sheltered nursery environment where they have been kept generously hydrated, often protected from wind and shielded from too much direct sunlight, to show signs of stress when planted out into the harsh environment.  Direct sun all day, high temperatures and strong winds may cause the plant to go into stress when being irrigated by WATERGROWER, or indeed irrigated by any means.  A very high proportion of healthy plants successfully make the transition of surviving in the harsher environment, providing they have been given sufficient WATERGROWER as recommended in the table above.  Usually after about 6 weeks, the plant will have adapted and there will be signs of new growth, and it will begin to thrive. Although WATERGROWER does not contain nutrients, it is stabilised by having a healthy pH value.  It is believed that WATERGROWER can positively affect the pH value in the soil.

Frequency of WATERGROWER Replenishment

The issues that affect the longevity of WATERGROWER are primarily the microbial activity and the climatic conditions.  Soil has a far greater impact than climate.  Soils with very high counts of microbes will stimulate the breakdown of the gel more quickly.  High temperatures can cause high rates of transpiration which in turn requires more water being made available to the roots.  However many species adapt their transpiration rate to suit the available water, but in turn will slow their growth in harsh conditions.

Where you have installed WATERGROWER with half a litre of WATERGROWER in each tube, we recommend checking and recharging as necessary every 4 weeks.  This can be extended to 6 weeks for PVC pipes of larger diameter was filled to the top, as those larger diameter pipes will actually take about 2/3 litre.

We are very confident of the performance of WATERGROWER and its ability to sustain plants in a healthy state and promote growth when used as recommended, notwithstanding other factors such as the plants being in a poor condition at time of planting, or nasty fungus’s present in the soil.