Silica Strength โ Liquid Potassium Silica (4.5%) Concentrate | 8 oz
- In stock, ready to ship
- Backordered, shipping soon
Support strong stems, healthy leaves, stress resilience, and vitality.
This concentrated liquid silica supplement strengthens your houseplants from the inside out. With 4.5% potassium silicate, it helps build thicker cell walls, boost structure, and protect plants from heat, transplant shock, and other stressors and damage. Ideal for helping houseplants grow upright, bounce back from stress, and grow larger leaves, and maintain their vitality.
Why You'll Love It:
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Builds upright stems and thicker, sturdier leaves
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Helps plants recover from heat, drought, and transplant shock
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Reduces browning, tearing, and drooping in delicate foliage
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Concentrated for superior valueโ8 oz bottle makes up to 96 gallons, at least 4x the amount of other silica products
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Formulated by plant experts, safe for all houseplants
How to Use:
Mix 1 teaspoon per gallon of water and apply every 2โ4 weeks.
Use as a soil drench. Do not mix with fertilizerโapply separately as part of your care routine.
What's Included:
8 oz bottle of liquid Silica Strength
Factory-sealed for leak-free delivery
Flip-top cap for easy measuring
Simple directions and tips on the label
Backed by Real Plant People
Created by the team behind Monstera Plant Food and Fiddle Leaf Fig Rescue Drops, Silica Strength is developed and made in the USA with quality ingredients and no harsh additives, and trusted by plant parents to protect and support their most prized plants.
๐ Shop with confidence โ Weโre a small business that stands behind every product. Thousands of happy plant parents trust us, and weโll always make things right if anything goes wrong. In addition to high quality products, we aim to provide seamless shipping and satisfaction-guaranteed service.
Shipping
We ship to the U.S., Canada and the UK, and offer flat-rate pricing to keep things simple. Orders typically ship within 1 business day and arrive within 2-4 business days.
- Orders under $50: $5.95 flat rate
- Orders $50 and up: Free standard shipping
- Need it faster? We offer expedited 2-day shipping for $15
Returns & Refunds
We stand behind our products 100%. If youโre not happy, weโll make it right.
Return window: You have 30 days from delivery to request a return or refund.
Whatโs covered:
- Damaged, defective, or incorrect items
- Items that didnโt meet expectations โ we want happy plants and happy customers!
How to request a return or refund:
Email us at hi@houseplantresourcecenter.com with your order number and a quick description of the issue. Weโll respond within 1 business day.
Refunds:
- Weโll issue a refund to your original payment method once your return is received or your claim is approved.
- No restocking fees. No fine print.
Refund Process
Once we receive and inspect the returned item, we will process your refund within 7 business days. Refunds will be credited to your original payment method.
Non-Returnable Items
The following items are non-returnable:
- Opened / Used Items
Customer Support
If you have any questions or need further assistance, feel free to reach out to us at hi@houseplantresourcecenter.com. We're here to help!