While adding liquid fertilisers to your planted aquarium is essential for good healthy plant growth, so is adding root tabs to your aquarium.
Plants absorb nutrients through their leaves and their roots and this is particularly important with plants such as Echinodorus that are heavy root feeders. If you want to see really spectacular results the addition of root tabs will make the difference.
All root tabs are very easy to insert into the substrate, some are only the size of a one penny piece and you simply pop them into the root ball of your plant. Typically you should do this every 2 months or so, depending on how quickly your plants grow.
Root tabs are not a replacement for a complete substrate, but they certainly help.
