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LIGHTING & CO₂

Lighting & CO₂

Photosynthesis needs light, carbon, and nutrients in proportion. Raise light without raising CO₂ and plants stall while algae — which need no added carbon — take the surplus. This category covers the hardware that keeps the three inputs in step, plus the measurement tools that tell you what is actually dissolved in the water.

Unplug before servicingHands out of the water firstDrip loop on every cableTest before you dose30 ppm CO₂ ceilingCycle before stocking

LightingPlanting

LED Aquarium Light

Dimmable multi-channel LED fixture; spectrum and PAR matter far more than wattage.

Planting stage
LightingPlanting

CO₂ Regulator

Dual-gauge regulator with solenoid, needle valve and bubble counter for injected carbon.

Planting stage
LightingPlanting

CO₂ Diffuser

Ceramic or in-line device that dissolves CO₂ into fine bubbles the water can absorb.

Planting stage
LightingPlanting

Bubble Counter

Clear chamber that turns CO₂ flow into a countable bubbles-per-second rate.

Planting stage
LightingMaintaining

Lighting Timer

Schedules the photoperiod and switches CO₂ so the two stay in step every day.

Maintaining stage
LightingPlanting

Drop Checker

Bromothymol-blue indicator that reads dissolved CO₂ from a standing colour change.

Planting stage
Also in the catalogue

Other categories

Tanks & Filtration

The glass, the water volume and the machinery that moves it. Filtration choice sets the ceiling on how heavily a tank can be stocked and how forgiving it will be when something goes wrong.

6 tools

Substrate & Hardscape

The base layer and the rocks and wood above it. Substrate decides what roots can do and what the water chemistry does in the first six months.

5 tools

Aquatic Plants & Livestock

The organisms themselves — their light and CO₂ demand, growth rate, adult size and temperament, and who can live with whom.

6 tools

Water Testing & Maintenance

The instruments that tell you what the water is doing, and the routine that keeps it that way. Most aquarium disasters are invisible until something is measured.

5 tools