Lights

Lights

Find the best indoor grow lights for your greenhouse garden. We have over 1000 products in our lighting category including High Intensity Lights (Hight Pressure Sodium & Metal Halide), LEDs, Induction Lights, Fluorescents, CFLs, Plasma, and more. To learn more about HID lighting read our buyers guide. More »

Nutrients

Nutrients

Check out our Nutrient Buyers Guide to help you purchase the right nutrient for your growing needs. Find the best nutrients for soil, soilless, and hydroponic gardens. Choose from the top brands including: Advanced Nutrients, Botanicare, Earth Juice, FoxFarm, General Hydroponics, Heavy 16, Technaflora, and more! More »

Air - Water - CO2

Air - Water - CO2

Search this category for products relating to CO2, Fans, Ventilation, A/C, Chillers, Pumps, Tubing, Water Components, and more. Not sure what size fan you need? View our post on Choosing The Correct CFM Fan. Also view our Fan Noise Test. More »

Soil - Media

Soil - Media

Shop for different media depending on your style of growing. We carry hundreds of sale-priced media for your growing needs! More »

Pots - Trays

Pots - Trays

We carry all of the essential hydroponic and soil gardening containers. Our large selection of pots, mesh pots and net pots, grow bags, flood tables, reservoirs, benches/stand, and buckets, will ensure you have the right container for your gardening media. More »

Plant Care

Plant Care

We carry all your basic and expert needs to combat any pests or diseases in your grow room. Ranging from organic sprays and fungicides to sticky traps and bug screens we have everything that can protect, prevent, and destroy all the harmful elements that can develop in your garden. More »

Propagation

Propagation

The process of creating new plants from a variety of sources: seeds, cuttings, bulbs and other plant parts. We carry everything you need to get your cuttings or seedlings started. Some of our most popular items are:Clonex, Rootswell Rooting Plugs, & Grodan Rockwool A-OK Plugs. More »

Climate Control

Climate Control

If you are ready to take your indoor gardening supplies to a whole new level, environmental controls are the way to go. The controls we offer provide features like CO2 enrichment and monitoring, cooling thermostats, cycle light timers and fan speed control. We also have environmental controllers that do it all. More »

Systems

Systems

Find the best hydroponic or indoor gardening system to fit your specific needs and preferences. We have all types of hydroponic systems, including ebb and flow, deepwater culture, aeroponics, nft, and more. More »

Tents - Greenhouse

Tents - Greenhouse

Find everything you need to build and maximize the potential of your grow room. We have tents, reflective materials, drying racks and much more. More »

Tools - Gear

Tools - Gear

Get the right tool for the job. We have over 250 instruments to help you accomplish your goals: including measuring materials, loupes, microscopes, trimming devices, scissors, extraction bags, bubble machines, books, plant stakes & cages, and more. More »

 

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C.A.P. PPM-2A Fuzzy Logic CO2 controller with PPM sensor *DISCONTINUED*

ppm-2a

Hydrofarm has picked up the C.A.P. Brand and will be continuing some products including the CAP PPM-2A. HydroFarm has let us know that new stock will be available the end of January, beginning of February (as of 12/30/2013). As a result this product may or may not be immediately available when you are reading this. Please call us for availabilty. Or as an alternative option, we recommend a comparable replacement controller such as the Titan Controls Atlas 8 Digital CO2 Controller w/ Fuzzy Logic. People who need the absolute best CO2 controller available today, use the PPM-2a from C.A.P. What sets the PPM-2a apart from the competition? Fuzzy Logic… Fuzzy Logic can be compared to a good driver. As a good driver approaches a red light, they apply the brakes to gradually slow down BEFORE getting to the intersection. Fuzzy Logic(tm) uses the same idea to bring the CO2 level up to the desired setting without over-shooting the desired CO2 level. PPM-2a automatically dials-in the exact parameters for your area. Learns how your grow area uses CO2 and adapts to keep the CO2 levels constant. Can connect to a temperature or environmental controller, disabling the CO2 function while your exhaust fans are running to reduce CO2 waste. The PPM-2a can be used to control both compressed CO2 and gas-burning CO2 generators. When used with a CO2 generator, the user can change the PPM-2a mode to ON / OFF control which eliminates the rapid cycling of the CO2 generator. The PPM-2a will control any make of CO2 valve or generator that is 120 volts. If you’re confused or have questions about CO2, check out our CO2 buyers guide. Want to know know long your tank will last in your growing space? Using a co2 calculator will help you use your CO2 efficiently. CAP PPM-21 CO2 Controller Instructions PDF

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