PowerSi Silica Additives For Stronger Plant Growth – Modern Farms

Skip to content

Power your commercial grow with $25K+ financing or pay later with Affirm

Plant Care & Nutrients
Grow Equipment
- Professional LED Systems
Climate Control
- Air Management
- CO2 & Air Quality
Growing Systems
- Complete Systems
Substrates
- Professional Media
- Propagation Media
Technology
- Environmental Control
Plant Protection
- Organic Solutions

X (Twitter)
Facebook
Pinterest

Search

Plant Care & Nutrients
Grow Equipment
- Professional LED Systems
Climate Control
- Air Management
- CO2 & Air Quality
Growing Systems
- Complete Systems
Substrates
- Professional Media
- Propagation Media
Technology
- Environmental Control
Plant Protection
- Organic Solutions

Search

Item added to your cart

View cart

Sort by:

6 products

Filter:

Price

The highest price is $1,499.99

$

From

To

Brand (0)

Brand

PowerSi (6 products)

Categories (0)

Categories

Nutrients and Additives (2 products)

Size (0)

Size

1L (2 products)
5L (2 products)
20L (2 products)
500 ml (2 products)

Availability (0)

Availability

In stock (5 products)
Out of stock (1 product)

Filter and sort Filter

Filter and sort

Filter

6 products

Price

The highest price is $1,499.99

$

From

$

To

Clear

Brand

PowerSi (6 products)

Clear

Categories

Nutrients and Additives (2 products)

Clear

Size

1L (2 products)
5L (2 products)
20L (2 products)
500 ml (2 products)

Clear

Availability

In stock (5 products)
Out of stock (1 products)

Clear

Sort by:

Remove all

6 products

PowerSI Bloom

Sale

PowerSI Bloom

3 total reviews

Regular price From $40.02 USD

Regular price ~~$46.81 USD~~ Sale price From $40.02 USD

Sale
PowerSi Original

Sale

PowerSi Original

4 total reviews

Regular price From $59.99 USD

Regular price ~~$75.90 USD~~ Sale price From $59.99 USD

Sale
Power PK Synergy 1L

Sale

Power PK Synergy 1L

Regular price $49.99 USD

Regular price ~~$100.00 USD~~ Sale price $49.99 USD

Sale
Power SI Granular Silica

Power SI Granular Silica

Regular price $237.50 USD

Regular price Sale price $237.50 USD
Power PK Synergy 5L

Power PK Synergy 5L

Regular price $349.99 USD

Regular price Sale price $349.99 USD
PowerSI Control Insecticide

Sold out

PowerSI Control Insecticide

Regular price From $85.50 USD

Regular price Sale price From $85.50 USD

Sold out

CATEGORIES

Equipment
Hydroponics
Grow Lights
Garden Accessories
Nutrients & Additives
Nutrients and Supplements

CUSTOMER SERVICE

Contact Us
Privacy Policy
Terms of Service
Shipping Policy
Refund Policy
Commercial Pricing

QUICK LINKS

Home
Shop
About Us
Contact Us
Blog

We care about the environment.
We care about the industry.
We care about our customers.

Any questions info@modernfarms.store

Phone: 818-504-8165

Address: 8150 San Fernando Rd , Sun Valley Ca 91352

For full payment terms and disclosures, please review Affirm’s disclosures.

Payment methods

© 2026, Modern Farms Powered by Shopify

Choosing a selection results in a full page refresh.
Opens in a new window.

Fast Shipping Competitive Price

Easy Returns Return with Ease

Secure Checkout Secure Payment