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Welcome to HTGSupply! 's Premier Indoor Gardening Supply Store!
Please check out ourABOUT US Pageto learn more about HTGsupply! We are one of the largest retailers of indoor gardening equipment in the United States. We have the best prices and largest selection on hundreds of items that every indoor gardener needs. We have many exclusive items that you simply cannot find elsewhere, so please check us out!

Click Below to see a short video about HTGSupply and our great products and service!


Completely block ALL light out – Completely trap ALL light in. Exact material used to construct many popular grow tents. The most rugged reflective material on the market. Get creative and build your own room! Staple to 2' x 4's with ease.Cut holes for ventilation as needed.

5' x 100'roll -(measures exactly 59" x 100')

Heavy-Duty 600d Fabric Thickness

HIGHLY REFLECTIVE TexturedSilver Liner inside – Super-Tough and Durable Ballistic Nylon outside.

Opaque / lightproof – blocksALLlight – making it perfect for creating room partitions or building a custom enclosure!

Better than thin Mylar liner! More Reflective than Black White Poly! Even has IR Blocking Qualities! This is the PREMIER product for lining GROW ROOM WALLS, FLOORS and CEILINGS to reflect precious light back onto plants.

Put it over the tops of grow pots, rockwool cubes, and otherplant containersto stop the growth of algae and reflect light back up to plants.

Waterproof - protect your floors and walls from spills, dirt, mold, mildew and stains. It reflects light and acts as a heavy-duty tarp at the same time!

MORE DURABLE than thin MYLAR liners - cleans easily and will not smudge, scratch, or crinkle like Mylar.

Pick up one of our TARP ZIP-UP self-adhesive zippers (item # 400325548570) to create an instant zippered doorway or access point - it's really cool!


Check out ourstorefor hundreds of items for indoor growing!



monday - friday 9am-5pm EST for info.

Digital Grow Lights1,000 watt Grow Lights600 watt Grow Lights400 watt Grow Lights250 watt Grow Lights175 watt Grow Lights150 watt Grow LightsL.E.D. Grow LightsT-5 Fluorescent Grow LightsGrow Tents &Complete Grow KitsCarbon Filters & Odor ControlMylar and Black & White PolyFans / Blowers / Air CoolingBallast Kits, Sockets, etc.Reflectors / HoodsLight Bulbs / Lamps»Nutrients, FertilizersPots, Containers, Grow TOLL FREE: 1-866-710-GROW
Monday - Friday 9am-5pm ET for info

We accept PayPal or you may pay us directly via credit card.

14-Day Money-Back Guarantee: If you are unhappy with your product for any reason, we will accept your return for a full refund of the sales price. New product returns will be accepted within 14 days of receipt. Item must be received back in NEW, MINT condition, with all original packaging and all components for full refund of the sales price. Any and all shipping costs will be the buyer’s responsibility. Please save your shipping boxes, packing materials and note how item was packed for shipping. Any damage may null and void warranty or refund. Nutrients cannot be returned for any reason. To return an item as new, please call us toll free at 1-866-710-GROW Monday-Friday 9am-5pm EST and we will issue an RMA number. Unauthorized returns may be voided or delayed. Please be sure to obtain and include an RMA number with your return. Restocking fee may also apply.

Shipping is determined by the SHIPPING CALCULATOR, so actual shipping and handling costs apply!Calculated cost is forinsuredUPS Groundshipping within the CONTINENTAL UNITED STATES and to the calculated Zip Code at the time of checkout only.UPS does NOT deliver to Post Office boxes, so sorry but we CANNOT SHIP TO P.O. BOX ADDRESSES. Please provideyourstreet addressevenif youprimarilyuse a P.O. Box.Additional shipping costs will incur for orders shipped to Alaska, Hawaii, Puerto Rico, Guamand all other U.S. territories. Orders shipping outside of the Continental U.S., and only these orders,will Mail. Please message us or call 1-866-710-GROW EST,Monday through Friday, to have shipping costscorrected on your invoiceBEFOREyou make payment.We ship daily from Monday through Friday, and shipment usually takes place within 24 hours of cleared payment (if it falls between these days). Check out our response and you will see we are known for our LIGHTNING FAST SHIPPING!

PLEASE NOTE: Any order to be delivered to an address containing a unit, apartment, lot number, etc., will require a signature in order to complete delivery. This is the only means by which these shipments can be insured against loss or theft. This also applies to any transaction for a total amount of $250.00 or over and paid for by PayPal (per PayPal’s user agreement, section 11.4). If no one over the age of 18 will be available to sign for the package(s) during normal delivery hours, please call us at 1-866-710-GROW (4769) and we will be happy to arrange a Will Call pickup for your shipment at your local UPS customer service center.

If your item(s) are returned to us due to a failure to take delivery; the return will be processed according to our new product return policy (listed above). Any and all shipping costs will be the buyer’s responsibility.

Shipping Discounts on Large Orders Available - Call Us for More Information



At HTG Supply, we take pride in our lightning-fast processing and shipping; so If you need to make any changes to your order (i.e., shipping address, holds, quantity, or to make an addition or deletion) you must contact us by calling us directly at 1-866-710-GROW (4769) Monday-Friday 9am-5pm EST. This gives us the best chance to make these changes prior to the order being shipped. Please note that emails or messages will likely not reach us in time, and messages attached to PayPal payments are often not received (due to automatic payment attachment). Once an order has shipped, additional charges may apply if any changes need to be made. Also, please not that any changes may slightly delay processing of your order.


  • We have been in THIS business since for almost 10 YEARS - and will continue to be in our stores and on long after you make your purchase!
  • TOLL-FREE support. We're not an email-only seller; we man our phones Monday thru Friday from 9 am-5pm ET. Call us at 866.710.GROW (4769).
  • But, EMAIL is an option,
  • Legitimate business with NINE brick and mortar stores across the country! We are the REAL DEAL, an honest-to-goodness indoor growing/hydroponic gardening business. We operate out of our retail locations in several states, not our garage or basement.
  • We SPECIALIZE in indoor grow supplies! We sell only top-quality products for growers. We KNOW our stuff! We can answer all of your questions and help you make the right choice for your grow needs!
  • FAST shipping! We ship most orders within 24 hours of purchase or the next business day after payment is received.
  • Top seller! We consistently receive the highest ratings from our buyers and have earned a track record of excellent service.
  • HIGHEST level of achievement! Our volume of sales is HIGH and we've been recognized by for customer satisfaction and amount of sales.
  • EXCELLENT response rating! Over 35,000 positive responses with a rating over 99%! The reason? We earn it! We go above and beyond what our customers expect.
  • TOP QUALITY products! We sell only brand-new top-quality products at unbelievable prices. Compare and confirm!
  • YOU KNOW what you are going to get! Our products are 100% TOP QUALITY and we show you that in our listings! We pride ourselves on our accurate photos and descriptions.
  • We WORK HARD for our customers! We strive to make every customer happy. We truly care about our customers, not just our profits. Do a search engine search on us and you'll discover our GREAT REPUTATION.
  • IN-STOCK inventory! No delays, no drop shipping!
  • SAFE and reliable plain brown box shipment methods. We pack well and mark our boxes only with our return address of HTGSupply.
  • We DO BUSINESS the RIGHT WAY! We're stable sellers, not after the "quick buck"! We'll be around years from now if you have a warranty issue, need support or just want to say "Hi". Our reputation is important to us - and to our customers!
  • USA seller! No customs or duty issues, no delayed shipments.
  • REAL WARRANTY! We offer full warranties on our products - YEARS, not DAYS - that we will personally take care of for you, not pass you off to the "manufacturer" like others do. Our competition has very limited warranties - We will not leave you HIGH and DRY like others would.

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Hydroponic Forum Discussions:

Hydroponic tomatoes in house not producing
Root rot? Too much watering in rock wool ebb & flow
Closet design
Need some tomato help
Basic Nutrient Strength Question
Non-Circulating (Kratky) Hydro Nutrients?
Can I use the same nutrients for lettuce and strawberrys?
••potassium silicate••
new here, questions. starting medium, seeds.
Help me finish this set up please.
Any Idea What This Is ? fungus or disease?
NFT Setup in Florida Keys
space and wattage ?
Hydroponic Lettuce Fertilizer 24-15-36
Setting up a Kratky system for Baby Greens and DWC for larger plants
organic hydro nutrients?
My Very First Setup
Can you water-stress hydroponic plants?
Newbie - want to produce fennel (Foeniculum vulgare) and ruta (Ruta graveolens)

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