5kg Growlite Coir Compost Block


Growlite is a Peat-Free multi-use coir based growing medium that replaces compost. Cleaner and more hygienic than other media such as manure and ideal for small space growers as it is easy to store and handle.

It comes in compact 5kg blocks and is quarter of the weight of traditional sacks of compost. Just add water and it hydrates to 60L.

Perfect for seeds, pots, planters, hanging baskets and hydroponics.

Out of stock

SKU: COIR040101 Category:


Now there is no need to lug 60L sacks of compost home from the Garden Centre when a simple 5kg block of GrowLite will do the job.

Simply break off a small amount or place the 5kg coir block in a large tub, wheelbarrow, tough plastic sack/bin bag, add water and let it soak. Within an hour it will have soaked up the water and grown to approx 6 times its volume. Break it up as it expands. Add more water if necessary so that it all gets evenly moistened (it will need approx 18L in total). When finished, it should be wet but springy, like a wrung-out sponge.

Once hydrated, Growlite can be used in seed trays, pots, planters and hanging baskets. After 2-3 months use your choice of plant food or slow release fertiliser to sustain plants for up to 6 months. Do not over-water! The surface of containers will dry out but Growlite holds water well at root level.

Tried and tested by commercial growers.


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