Lava rocks are small rocks created from volcanic blasts. They have many uses and benefits that people are starting to see, for example, cooking with lava rocks is a great way of enhancing the smoky flavours.
When lava rocks are used in barbecues and chimeneas, they reduce fat fires whilst enhancing the smoky flavour of a delicious barbecued meal.
Make sure that you replace clogged up lava rocks with a fresh new layer of lava as this will:
Using lava rocks in a Chiminea to insulate and protect
Place a layer of lava rock into the pot belly of the chiminea and then build your fire on top. This protects the clay from direct heat and adds another layer of insulation to generate more heat from your chiminea.
Lava rocks as mulch on the garden
In addition, lava rocks can also be used in the garden as mulch. The lava absorbs the heat during the day and releases it at night and is excellent for weed suppression. It also slows the evaporation of moisture from your soil.
Lava rocks in ponds, aquariums and fish bowls
Lava rocks are also ideal for freshwater ponds, aquariums and fish bowls as it helps to remove Nitrates and improve the quality of the water. They are also very decorative.
Dimensions of the lava rocks
Each lava rock is between 4-6cm (may vary).
A 2kg bag of lava rocks is 3744 cubic inches / 4760 cm
A 2kg bag dimensions: 34cm x 20cm 7cm