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NPK Industries is a leader in production and distributing cutting-edge technology for indoor and outdoor growing. It develops safe and effective products.

The RAW collection includes products based on basic elements and organic biostimulants. It allows the gardener to set his own feeding program to reach the best results. 

NPK Industries includes NPK University that provides free educational classes for growers and teaches how to grow using the high technology. Harley Smith has over 20 years experience in hydroponic industry. He shares with the knowledge and discusses issues that are important in a hyper-growth industry.

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Awards Show All Diaries

"Sol" C#12
14 weeks
"Sol" C#12Ultraviolet
GrapeSweetsAuto
1mo ago · 46 comments
"La Boier" C#10
22 weeks
"La Boier" C#10Ultraviolet
Jealousy
8mo ago · 32 comments
"Torus"  #C9
19 weeks
"Torus" #C9Ultraviolet
Durban Poison
1y ago · 56 comments
GrowAce AirCubes with Tropicana Cookies
11 weeks
GrowAce AirCubes with Tropicana Cookies TheCannaProphet
Tropicana Cookies Auto
2y ago · 59 comments
The Devine Vol 2.
12 weeks
The Devine Vol 2. GREENPHOENIX6262
Mimosa Cake Auto
2y ago · 12 comments
Dr. CBD from SEEDSMAN
26 weeks
Dr. CBD from SEEDSMAN1Right_Angle
Doctor Seedsman CBD 30:1
2y ago · 38 comments
Animal Mints#15 x Blowpops Bx1 Reg
19 weeks
Animal Mints#15 x Blowpops Bx1 RegSolitudeCorners
AnimalMints15xBpBx1
2y ago · 9 comments
CALI CRASHER (doctors orders)
24 weeks
CALI CRASHER (doctors orders)1Right_Angle
Cali Crasher
3y ago · 144 comments

Popular Diaries Show All Diaries

MARS HYDRO: MOMS/CLONES
22 weeks
MARS HYDRO: MOMS/CLONESLegacyMarketFarm
+11 strains
1y ago · 408 comments
Cherry Inferno
17 weeks
Cherry InfernoStony_German
+1 strain
1d ago · 187 comments
8+Strains Lambton County
40 weeks
8+Strains Lambton County1Right_Angle
+6 strains
3y ago · 237 comments
Super Lemon Haze / RDWC
25 weeks
Super Lemon Haze / RDWC BodyByVio
Super Lemon Haze
6y ago · 72 comments
3 STRAINgers from L.M.F.
32 weeks
3 STRAINgers from L.M.F. 1Right_Angle
+2 strains
3y ago · 141 comments
Fast Buds Blackberry
10 weeks
Fast Buds BlackberryDahoola
Blackberry Auto
6y ago · 83 comments

New Diaries Show All Diaries

Organic vs synthetic
4 weeks
Organic vs syntheticSoukai
+1 strain
1mo ago · 3 comments
Under The Wild LED Sky 06
6 weeks
Under The Wild LED Sky 06NoVC01
Bruce Banner #3 x Afghan
7d ago · 7 comments
Another Mystery Seed
6 weeks
Another Mystery SeedDunk_Junk
Found seed - could be any strain!
9d ago
Fruit Punch
12 weeks
Fruit PunchDunk_Junk
Fruit Punch Automatic
9d ago · 1 comment
Choco Thai
8 weeks
Choco ThaiDunk_Junk
Choco Thai Auto
9d ago
Apple Fritter Take 2
7 weeks
Apple Fritter Take 2Dunk_Junk
Apple Fritter Automatic
9d ago · 2 comments
HAZE DRIP!!!
8 weeks
HAZE DRIP!!!GREENPHOENIX6262
Super Lemon Haze RBX3
5d ago · 2 comments
NoVC's Outdoor 2025
12 weeks
NoVC's Outdoor 2025NoVC01
Purple Pineapple Express
3d ago · 21 comments
Ethos Genetics -Strawberry OG Cookies
13 weeks
Ethos Genetics -Strawberry OG CookiesFrambo2V4T
Strawberry Cookies OG R1
8d ago · 1 comment
Night Owl Seeds - Cosmic Apprentice
13 weeks
Night Owl Seeds - Cosmic ApprenticeFrambo2V4T
Cosmic Apprentice
8d ago · 3 comments

Latest reviews Show All reviews

FatnastyzGrandMaster
Only b/c I don't use it much. But wirks well when I do.
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3mo ago
Great water agent , makes water wetter!
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5mo ago
Does exactly what it says on the tin, no nonsense. NPK for me. Harley knows best.
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5mo ago
WeedbayGardenApprentice
Good product, easy to measure, comes in dry form and is water soluble.
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5mo ago
Chucky324Master
Helps get them going and produce in the end.
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7mo ago
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Festerus
Festeruscommented4y ago
I ABSOLUTELY love the RAW lineup of nutrients! The ability to store powdered nutrients, that produce amazing results for an incredible price blows me away! I was lucky enough to use Kalix, a parent Corp I believe, for an outdoor recreational farm of 140 plants and the results are astounding! I can’t say enough good things about these products!
Hooked_on_chronix420
Hooked_on_chronix420commented2y ago
I'm a newbie Came across the line listing to podcasts Absolutely love the line so far