The verdict
Is Soil Sea & Sun Indoor & Outdoor All-Purpose Plant Food worth it?
Yes — Soil Sea & Sun Indoor & Outdoor All-Purpose Plant Food is one of the stronger picks we track in garden & outdoors. It holds 3 verified certifications (USDA Organic, Non-GMO, OMRI Listed). Priced in the $$ band.
- Cruelty-freeUnverified
- VeganUnverified
- Plastic-free packagingUnverified
- Recyclable / compostableUnverified
- Palm-oil safeUnverified
- Certified organicYes
- Fair labourUnverified
True Leaf Market
Soil Sea & Sun Indoor & Outdoor All-Purpose Plant Food
Ethics Score
Composite of certifications, ingredient analysis, and sustainability practices.
Certifications
Buy From
* Affiliate links help support EthiCompare's mission.
Customer Rating
Best for
Organic vegetable gardeners and indoor plant enthusiasts seeking a chemical-free boost.
AI Ethics Review
A high-performance organic liquid fertilizer derived from sustainable ocean kelp and mineral deposits, avoiding the synthetic chemicals common in mainstream garden products.
Gallery
Claim-by-claim check
The questions shoppers ask most about Soil Sea & Sun Indoor & Outdoor All-Purpose Plant Food, answered from certifications, tags and sourcing notes on file.
- Is Soil Sea & Sun Indoor & Outdoor All-Purpose Plant Food cruelty-free?
- Unverified — no third-party cruelty-free certification is recorded for Soil Sea & Sun Indoor & Outdoor All-Purpose Plant Food in our database.
- Is Soil Sea & Sun Indoor & Outdoor All-Purpose Plant Food vegan?
- Unverified — Soil Sea & Sun Indoor & Outdoor All-Purpose Plant Food has no certified vegan claim on file; check the ingredient notes below.
- Is Soil Sea & Sun Indoor & Outdoor All-Purpose Plant Food plastic-free?
- Unverified — we have no plastic-free packaging claim on record for Soil Sea & Sun Indoor & Outdoor All-Purpose Plant Food.
- Is Soil Sea & Sun Indoor & Outdoor All-Purpose Plant Food recyclable or compostable?
- Unverified — end-of-life handling for Soil Sea & Sun Indoor & Outdoor All-Purpose Plant Food is not documented in our data.
- Does Soil Sea & Sun Indoor & Outdoor All-Purpose Plant Food avoid problem palm oil?
- Unverified — no palm-oil policy is recorded for Soil Sea & Sun Indoor & Outdoor All-Purpose Plant Food.
- Is Soil Sea & Sun Indoor & Outdoor All-Purpose Plant Food certified organic?
- Yes — Soil Sea & Sun Indoor & Outdoor All-Purpose Plant Food carries an organic certification or organic-certified inputs.
- Is Soil Sea & Sun Indoor & Outdoor All-Purpose Plant Food fairly made?
- Unverified — no independent labour standard is recorded for Soil Sea & Sun Indoor & Outdoor All-Purpose Plant Food.
Ethics Breakdown
Each pillar is independently scored from public certifications, ingredient/material sourcing, and brand disclosures, then averaged into the composite Ethics Score above.
How it compares in Garden & Outdoors
Benchmarked against 3 other published products in the same category.
0%
of compared products score lower
-10
points vs the category average
3
verified certifications on file
In-Depth Review
Revolutionizing Regenerative Gardening
True Leaf Market's Soil Sea & Sun represents a shift away from synthetic NPK fertilizers that often lead to soil degradation and nitrogen runoff. This concentrated liquid formula is designed to mimic the natural nutrient cycles found in forest floors and coastal ecosystems. By utilizing cold-processed kelp, it preserves the vital hormones and enzymes that help plants resist stress from heat and drought.
Unlike conventional fertilizers that provide a quick, artificial spike in growth, this product focuses on the long-term health of the soil microbiome. It introduces trace minerals that are often missing from depleted garden soil, ensuring that the vegetables you grow are more nutrient-dense. The formula is safe for use around pets and children immediately after application, addressing a major safety concern for many residential gardeners.
| Feature | Benefit |
|---|---|
| Cold-Processed Kelp | Preserves natural growth hormones |
| Low Odor | Suitable for indoor houseplants |
| Chelated Minerals | Immediate bioavailability for roots |
Sustainable gardening isn't just about what you don't use; it's about what you give back to the earth. This fertilizer is shelf-stable and requires no special storage, reducing waste from product spoilage. Its highly concentrated nature means one bottle replaces multiple larger jugs of diluted competitors, significantly lowering the carbon footprint associated with shipping and plastic packaging.
"Our philosophy is that healthy soil leads to healthy plants, and healthy plants lead to a healthy planet. We source our ingredients with the lightest footprint possible."
- Enhances root development and flowering potential
- Appropriate for hydroponics, succulents, and vegetables
- Non-toxic and biodegradable formula
- Concentrated for reduced plastic waste
Pros
- ✓Highly concentrated—a little goes a long way
- ✓No harsh chemical or fishy odor
- ✓Noticeable improvement in plant resilience
Cons
- ✗Bottle design can be prone to leaking during shipping
- ✗Slightly higher price point than mass-market synthetics
Key Facts
- Brand
- True Leaf Market
- Category
- Garden & Outdoors
- Ethics Score
- 88/100
- Price Range
- $$ (≈ $24.95)
- Avg Rating
- 4.7/5 (840 reviews)
- Form
- Liquid Concentrate
- Origin
- USA
- Target
- All-purpose (Indoor/Outdoor)
- Volume
- 32 oz / 1 Quart
- Application
- Foliar spray or soil drench
- Certifications
- USDA Organic, Non-GMO, OMRI Listed
🌱 Sustainability
The kelp is harvested under strict maritime regulations to ensure the regrowth of underwater forests, which are critical carbon sinks.
🧪 Ingredients & Materials
Derived from North Atlantic Kelp (Ascophyllum nodosum), phosphoric acid (as a stabilizer), and potassium hydroxide. Contains no biosolids or synthetic dyes.
Price & where to buy
Typically around $24.95 — prices change often, so check the live listing.
Affiliate links — we may earn a commission at no extra cost to you. It never affects the ethics score.
What Reviewers Say
"My tomatoes have never been this vibrant. I love that it's organic."
"A bit expensive, but the results speak for themselves."
"Perfect for my indoor jungle; it doesn't make the house smell like a dock."
Frequently Asked Questions
Is Soil Sea & Sun Indoor & Outdoor All-Purpose Plant Food by True Leaf Market ethically made?+
Yes. Soil Sea & Sun Indoor & Outdoor All-Purpose Plant Food earns an EthiCompare ethics score of 88/100, backed by third-party certifications including USDA Organic, Non-GMO, OMRI Listed. A high-performance organic liquid fertilizer derived from sustainable ocean kelp and mineral deposits, avoiding the synthetic chemicals common in mainstream garden products.
Is Soil Sea & Sun Indoor & Outdoor All-Purpose Plant Food worth buying?+
Soil Sea & Sun Indoor & Outdoor All-Purpose Plant Food scores 88/100 on our ethics rating. That puts it in the upper band of the products we track, so it is a defensible buy on ethics grounds.
Is Soil Sea & Sun Indoor & Outdoor All-Purpose Plant Food cruelty-free?+
We have not verified a third-party cruelty-free certification for Soil Sea & Sun Indoor & Outdoor All-Purpose Plant Food. See our True Leaf Market verdict page for the brand's full animal-testing position.
Is Soil Sea & Sun Indoor & Outdoor All-Purpose Plant Food vegan?+
Soil Sea & Sun Indoor & Outdoor All-Purpose Plant Food does not carry a certified vegan claim in our database. Check the ingredient notes above and the brand's own disclosure before buying.
What are the best alternatives to Soil Sea & Sun Indoor & Outdoor All-Purpose Plant Food?+
We list higher-scoring garden & outdoors products from other brands on this page, and a full set of ethical alternatives to True Leaf Market on its alternatives page.
What certifications does Soil Sea & Sun Indoor & Outdoor All-Purpose Plant Food hold?+
Soil Sea & Sun Indoor & Outdoor All-Purpose Plant Food holds the following certifications: USDA Organic, Non-GMO, OMRI Listed. These independent verifications cover sourcing, animal welfare, environmental impact, and ingredient safety.
How sustainable is Soil Sea & Sun Indoor & Outdoor All-Purpose Plant Food?+
The kelp is harvested under strict maritime regulations to ensure the regrowth of underwater forests, which are critical carbon sinks.
What are the key ingredients or materials in Soil Sea & Sun Indoor & Outdoor All-Purpose Plant Food?+
Derived from North Atlantic Kelp (Ascophyllum nodosum), phosphoric acid (as a stabilizer), and potassium hydroxide. Contains no biosolids or synthetic dyes.
How much does Soil Sea & Sun Indoor & Outdoor All-Purpose Plant Food cost?+
Soil Sea & Sun Indoor & Outdoor All-Purpose Plant Food is priced in the $$ range for garden & outdoors. Visit the retailer links above for current pricing.
Where can I buy Soil Sea & Sun Indoor & Outdoor All-Purpose Plant Food?+
Soil Sea & Sun Indoor & Outdoor All-Purpose Plant Food is available from the brand's official website and major retailers. The product page above lists every verified retailer we track.
Is Soil Sea & Sun Indoor & Outdoor All-Purpose Plant Food plastic-free?+
Unverified — we have no plastic-free packaging claim on record for Soil Sea & Sun Indoor & Outdoor All-Purpose Plant Food.
Is Soil Sea & Sun Indoor & Outdoor All-Purpose Plant Food recyclable or compostable?+
Unverified — end-of-life handling for Soil Sea & Sun Indoor & Outdoor All-Purpose Plant Food is not documented in our data.
Does Soil Sea & Sun Indoor & Outdoor All-Purpose Plant Food avoid problem palm oil?+
Unverified — no palm-oil policy is recorded for Soil Sea & Sun Indoor & Outdoor All-Purpose Plant Food.
Is Soil Sea & Sun Indoor & Outdoor All-Purpose Plant Food certified organic?+
Yes — Soil Sea & Sun Indoor & Outdoor All-Purpose Plant Food carries an organic certification or organic-certified inputs.
Is Soil Sea & Sun Indoor & Outdoor All-Purpose Plant Food fairly made?+
Unverified — no independent labour standard is recorded for Soil Sea & Sun Indoor & Outdoor All-Purpose Plant Food.
Customer Reviews
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Questions & Answers
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