Aqua One PL-18W Compact Fluorescent tube Sunlight and Marine Blue Mix

In Depth: Aqua One PL18 Compact Fluorescent Tubes

PL 18 Tubes are compact energy saving fluorescent tubes. Their small size, low heat production and energy efficiency makes them ideal for use in compact aquariums. Aqua One fit to several of their set ups including the AR 620, AR620T and AquaMode 900.

What colour Aqua One PL18s are available?

Aqua Ones PL18 range comprises  two mixed output tubes.

Aqua One Mixed Colour PL18s

Our bestselling PL18 tubes are the mixed types. The

PL18 Sunlight and Tropical Mixed tube

offers golden white sunlight on one side of the PL with softer, warmer, pinker tropical light on the other side. The

Sunlight and Marine Blue PL18 tube

is sunlight on the one side and pure blue on the other.

Which Aqua One PL18s are best for my set up?

To a large degree it’s up to you which Aqua One PL18 tube you choose and a change is often as good as a rest. The mixed tubes tend to offer the best solution in many instances with the

Sunlight and tropical mix

being the tube that Aqua One themselves prefer to supply in new set ups. The sunlight side offers punch, while the tropical side gently brings out your fishes colours. Similarly the

Sunlight and Marine Blue mix PL18 tube

enables you to add some blue light to your set up without it becoming totally blue. Those who focus on plant growth might well enjoy success with basic

How long do Aqua one PL 18 Compact Fluorescent Tubes Last?

All PL tubes, in fact all Fluorescent tubes of all types, lose their output over time with the best performance being given over the first six to eight months. After this fish colours are lost and greater algae growth frequently occurs. We frequently mark the date on the end of the PL tube so we can check and see easily if its time is done.