Keep your nutrient solution fully oxygenated with an airstone. The 2 Inch airstone ball version is great for the bottom of small reservoirs. This 50mm blue air stone fits onto 4mm diameter air tube.
These air stones are the very best ones to use with air flows of 2.5 – 20 Litres per minute. Expect your air stone to have a long life – they’re made from a durable ceramic compound.
Manifold dividers are useful for splitting airlines from one larger air pump or compressor. The larger ones are also great to use with NFT systems to spread the solution.