Mars Hydro + Grow King Mars Hydro – GK 600 $171.00 CAD Add to cart Mars Hydro – GK 1000 $257.00 CAD Add to cart Mars Hydro – GK 2000 (350w) $471.00 CAD Add to cart Mars Hydro – GK 3000 (450w) $748.00 CAD Add to cart Mars Hydro – Waterproof 150w $238.00 CAD Add to cart Mars Hydro – Waterproof 250w $451.00 CAD Add to cart