Pure, organic plant nutrition for flowering plants   BioThrive Bloom (2-4-4) provides flowering and fruiting plants with essential nutrients, perfectly balanced for superior blooms and bountiful harvests. Specially designed to maximize flower,...

Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different...

1500 PPM Meter Calibration Solution General Hydroponics uses the highest quality reference solutions, allowing growers to calibrate many popular brands of pH, EC and TDS meters (NaCl scale or the 442 scale). General Hydroponics technicians check each...

1500 PPM Meter Calibration Solution General Hydroponics uses the highest quality reference solutions, allowing growers to calibrate many popular brands of pH, EC and TDS meters (NaCl scale or the 442 scale). General Hydroponics technicians check each...

Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different...

Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different...

Fashionable, rugged, green. The Saint Johns Explorateur Green Messenger Bag by Mercury Luggage has all the versatility you need to transport a variety of things, in a comfortable and stylish way. Designed to be rugged, ready to handle anything you throw...

This Reverse Osmosis Membrane replaces the one that comes packaged with the Hydro-Logic Stealth RO100 and RO200 reverse osmosis water filtration systems. Replacement Schedule: Replace when product water flow decreases and/or PPM increases. Directions: ...

Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different...

Maxicrop Liquid Fish (5-1-1) is made from fresh fish from the Atlantic Ocean and contains no chemical additives. It contains naturally occurring amino acids, as well as a huge complex of chelated minor elements (especially B vitamins). Many professional...

Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different...

Maxicrop Liquid Fish (5-1-1) is made from fresh fish from the Atlantic Ocean and contains no chemical additives. It contains naturally occurring amino acids, as well as a huge complex of chelated minor elements (especially B vitamins). Many professional...