Sungrower Black - White Grow Bag - 5 GAL - 25 CT - Case of 24 commercial-lighting-fixture Magnum with Vitamin B1 is

Magnum with Vitamin B1 is a potent magnesium supplement for preventing or treating the magnesium deficiency that often appears during bloom

If you’re ready for real plant science

1 x Reservoir EC/Temp Sensor

when plants get too  tall for your original kit

The White & Black Tubing from Active Aqua is premium

Sungrower Black - White Grow Bag - 5 GAL - 25 CT - Case of 24 commercial-lighting-fixture Magnum with Vitamin B1 isSungrower Black and White Grow Bags are black on the inside and white on the outside to create a light proof barrier against algae growth while providing 92% reflectivity to ensure a cooler root zone. The bags are UV stabilized and constructed with holes to prevent pockets of excessive moisture throughout the grow bag. Sungrower Black and White Grow Bags are great even in hot environments because they can regulate temperature as excess heat is able to