Skip to content
Search
Shop Categories
Commercial Grow Lights
Environmental Controllers
Bulk Rates
About Us
Contact Us
Categories
About Us
Brands
Commercial Account
New Releases!
Account
Site navigation
Search
Search
Cart
Menu
Site navigation
Shop Categories
Commercial Grow Lights
Environmental Controllers
Bulk Rates
About Us
Contact Us
Categories
About Us
Brands
Commercial Account
New Releases!
Search
Search
Cart
Account
Item added to cart.
View cart and check out
.
Close
Close
Ship time estimates at checkout are inaccurate. Most orders take 3 to 5 business days to ship.
Close
Power SI
Filter by
All
Nutriants
Nutrients
aaron
eligible-for-discount
nutrients
nutrients-and-supplements
spl_hgc
Sort by
Featured
Best selling
Alphabetically, A-Z
Alphabetically, Z-A
Price, low to high
Price, high to low
Date, old to new
Date, new to old
Power Si
Power Lush - 1 Liter
Regular price
$130
View
Power Si
Power Lush - 250 ML
Regular price
$40
View
Power Si
Power Lush - 5 Liter
Regular price
$500
View
Power Si
Power Lush - 500 ML
Regular price
$75
View
Power SI
Power SI Bloom
On sale from $40
Sale
View
Power SI
Power Si Control - 5 Liter
Regular price
$800
Sale price
$700
Sale
View
Power SI
Power Si Control- 1 Liter
Regular price
$180
Sale price
$125
Sale
View
Power Si
Power Si Control—250ml
Regular price
$52
View
Power Si
Power Si Control—500ml
Regular price
$100
View
Power SI
Power SI Granular - 10kg
Regular price
$840
View
Power SI
Power SI Granular - 2 kg
Regular price
$250
View
Power Si
Power SI Granular—500g
Regular price
$95
View
Power Si
Power Si Silicic Acid 0 - 0.4 - 0.8
On sale from $75
Sale
View
Choosing a selection results in a full page refresh.
Press the space key then arrow keys to make a selection.
Use left/right arrows to navigate the slideshow or swipe left/right if using a mobile device