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CYCO Silica 20L

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CYCO Silica 20L - A-Grade Hydroponics CYCO Silica 20L - A-Grade Hydroponics cyco logo


CYCO Platinum Series Silica is an additive used throughout the vegetative and flowering cycle to increase the leaves and stem’s cellular density.

A source of premium mono silicic acid, making it every drop 100% available to the plant!

The reason silica works so well is because it contains the highest grade of potassium silicate! Silica is the primary component in the construction of cell walls along with calcium (Ca) increasing the amount of silica allows for the plant to easily activate cell reproduction aiding in continuous plant development all whilst thickening the plant's cell walls.

Derived from:
Potassium silicate (Si)

Primary component in formation of cell walls in plants
Builds strong stems, stalks and leaves
Aids in development of new vegetation
Reduces heat stress by preventing plant transpiration

Soluble Potash (K20) 3%


*All orders are dispatched in unmarked boxes to maintain your privacy.*


Orders are shipped via Australia Post or Big Post. Orders are generally dispatched on Tuesday, Wednesday and Friday. Please allow for additional delivery time for remote areas. If you require express delivery, please contact our sales representatives at 03 9555 6667 or email to obtain a quote. 

Couriers will attempt delivery to the specified address. If no one is home to receive the delivery, the couriers will leave your parcel somewhere safe. If there is no safe place, re-delivery or collection will be organised.

We reserve the right to charge for any redeliveries if they occur. You are welcome to call us if special arrangements need to be made.  

Due to the increasing frequency of online fraud and theft, we are unable to ship to P.O. Boxes and Parcel Lockers.


All freight charges are calculated on weight, dimensions and location. We are committed to keeping shipping charges at a minimum and do not charge handling fees.

Please note: Freight costs are subject to change. Regional areas, large and bulky orders, and tail-lift delivery occasionally incur an additional levy. Should these costs need to be amended it will be to reflect the actual charges, and not incur additional ‘shipping and handling’ fees.

We will notify you if this rare situation occurs.



All payments must be cleared before dispatch. Payments can be made online via PayPal, AfterPay or Electronic Funds Transfer. Payments can also be accepted via credit card by phoning 03 9555 6667.

Please allow at least 24 hours for payments to clear.


You will be notified immediately if an item is permanently unavailable, with options for a replacement item at equal or higher value, refund or store credit.

All refunds will clear within 3-5 business days. Store Credits will be issued as an electronic Gift Card to be used online or in-store.


We comply with all necessary restrictions and guidelines when shipping any products classified under the Dangerous & Prohibited Goods & Packaging Post Guide.

If, for any reason in compliance with these guidelines, we are unable to fulfil an order a refund will be issued immediately.