Plant growth Substrate is laid out in roughly a 1cm deep layer at the base of your newly set up aquarium to
form a nutritional layer under your gravel absorbing nutrients ready for your plant roots.
Please see the guide as to the recommended amounts for various standard sized aquariums.
1. Used Undergravel when building your aquarium.
2. Promotes healthly long term growth for your plants.
3. Does not effect the KH or PH of your water.
4. Absorbs nutrients ready for your plant roots.