Put even more power into coconut coir with a formula that makes the most of your amendments. Featuring calcium and magnesium, CocoTek A+B offers an easy-to-use formula that's designed to enhance your coir. You can deliver nutrition from growth to bloom, giving your plants the benefits of premium nutrients in addition to the many advantages of coir. CocoTek Bloom A+B with elevated levels of our proprietary calcium blend, this unique formula is designed for increased yield during flowering or plant maturity.

General Hydroponics Dual Diaphragm Air Pump Rebuild Kit

Rebuild kit includes two replacement diaphragms and two replacement lock nuts.

$20.69  Add to cart
 

General Hydroponics pH Up Gallon

To maximize plant growth, the pH content of your nutrients should be slightly acidic. Experienced growers consider the ideal pH for most crops to fall between 5.5 and 6.5. Users of General Hydroponics nutrient products generally do not experience problems…

$19.76  Add to cart
 

General Hydroponics pH Down Gallon

To maximize plant growth, the pH content of your nutrients should be slightly acidic. Experienced growers consider the ideal pH for most crops to fall between 5.5 and 6.5. Users of General Hydroponics nutrient products generally do not experience problems…

$19.76  Add to cart
 

General Hydroponics Dual Diaphragm Air Pump

The General Hydroponics Dual Diaphragm air pump is the only air pump in the world that is manufactured exclusively for use with hydroponics systems. This high output pump (320 gph/ 24,800 cc/minute capacities) has four adjustable 3/16" ID outputs or…

$63.26  Add to cart
 

General Hydroponics pH Test Kit

The pH test kit from General Hydroponics has a range of pH 4 to pH 8.5 and lasts for about 200 tests. 1 fluid ounce of indicator solution included. Just take a half vial sample of the solution you want to test and then squeeze three drops of the indicator…

$5.20  Add to cart
 

General Hydroponics pH 7.0 Calibration Solution 8 Ounce (236 ml)

General Hydroponics uses the highest quality electronic meter reference solutions. Growers can use our reference solutions widely among many popular brands of meters using the NaCl scale. General Hydroponics technicians check each batch to ensure that our…

$5.20  Add to cart
 

General Hydroponics pH 7.0 Calibration Solution 1 Quart (946 ml)

General Hydroponics uses the highest quality electronic meter reference solutions. Growers can use our reference solutions widely among many popular brands of meters using the NaCl scale. General Hydroponics technicians check each batch to ensure that our…

$14.80  Add to cart
 

General Hydroponics pH 4.01 Calibration Solution 8 Ounce (236 ml)

General Hydroponics uses the highest quality electronic meter reference solutions. Growers can use our reference solutions widely among many popular brands of meters using the NaCl scale. General Hydroponics technicians check each batch to ensure that our…

$5.20  Add to cart
 

General Hydroponics pH 4.01 Calibration Solution 1 Quart (946 ml)

General Hydroponics uses the highest quality electronic meter reference solutions. Growers can use our reference solutions widely among many popular brands of meters using the NaCl scale. General Hydroponics technicians check each batch to ensure that our…

$14.80  Add to cart
 

General Hydroponics WaterFarm Complete

The WaterFarm Module is built with high-impact plastic to assure a long service life. The WaterFarm unique square design allows growers to closely pack WaterFarm units to create large, high-density installations. The WaterFarm will grow small, medium, and…

$49.24  Add to cart