Super Si (1L) Plant Mechanics
Super Si (1L) Plant Mechanics
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Super Si is a seriously concentrated silicon booster designed to help plants build stronger structure, handle environmental stress and keep growth moving. Its specialised silicic acid and bioactive amino acid blend supports both vegetative and flowering stages.
Why Growers Love It
- Stronger Structure: Supports stronger stems, leaves and overall plant structure.
- Stress Support: To cope with environmental & biological stress.
- Healthy Growth: Supports vigorous vegetative growth & tighter internodal spacing.
- Flower & Fruit Support: Support flower sites, crop development & harvest weight.
- Highly Concentrated: Just 0.15ml per litre (it goes a long way!)
- pH Stabilised: Works alongside existing nutrient programmes.
- Suitable Grow Mediums: Soil, coco, hydroponics.
Directions for Use
Standard Dose: 0.15ml per litre of water. Add Super Si to your reservoir before other nutrients or additives and mix well.
Double Strength: 0.3ml per litre during Weeks 1–2 of Bloom.
Foliar Spray: 1ml per litre of water. Apply as a fine spray to foliage.
Use throughout both vegetative and flowering stages.
Tiny dose. Big job. Super Si is the little bottle with serious backbone.
Additional Details
Shipping & Delivery
In Stock Quantities Online may vary due to in store sales. Online quantities are pulled from all of our branches stock levels.
- We will do our best to fulfil your order. If your order cannot be filled promptly you will be refunded via method of purchase or contacted to arrange alternate options.
We will only deliver to a New Zealand address at this point in time. We don’t deliver to PO Boxes.
Pickup orders may show available in store on the product page but may not be available in the quantities in your cart. You may have to adjust the quantities in your cart at checkout to be able to pick up at a specific store.
- Pickup Orders are confirmed once checked by staff at location of pickup. Please wait to be contacted by staff before coming to store.
Photo ID Of Person Who's Name is On The Order Must Be Presented to staff when picking up and must match name on order. We do not accept name changes of orders once placed so please make sure you are filling in the correct details.
If goods are Not Received within 7 days of purchase, contact us.
Any Damaged or Missing Items from your order must be brought to our attention within 7 days of receiving your order.
If your item is Oversized or More Than 25kg you may be contacted for an additional freight charge to be calculated upon picking of order.
We use Courier Post as our freight provider. Prices and providers are subject to change without prior notice.
To ensure successful delivery make sure there is some one Present at the Delivery Address during business hours.
Delivery times are normally 1-2 days to the North Island and 2-5 days to the South island once dispatched. Rural delivery can take an extra day longer.
In Stock Quantities Online my vary due to in store sales. We will do our best to fulfil your order promptly. If your order cannot be filled promptly you will be refunded or contacted to arrange alternate options.