Fox Farm Nutrients and General Hydroponics are both reputable brands in the cultivation industry, offering a range of nutrient solutions for plant growth. Fox Farm is known for its organic-based products, while General Hydroponics specializes in synthetic nutrients for hydroponic systems.
Fox Farm’s Soil Trio is an all-in-one organic fertilizer system, while General Hydroponics’ CALiMAGic is a targeted calcium and magnesium supplement. But which one is right for your plants?
After 6 months of testing both products on vegetables, flowers, and hydroponic setups, I’ll discuss:
- How each product works
- Real-world results in my garden
- Pros, cons, and who should buy which
- Common mistakes to avoid
By the end, you’ll know exactly which fertilizer fits your needs—or if you should use both!
Fox Farm Vs. General Hydroponics Comparison 2025
Product Name | Product Image | Ratings | Check price |
FoxFarm Soil Trio | ![]() | ||
General Hydroponics CALiMAGic | ![]() |
Fox Farm Nutrients
Are you eager to give your plants the best nutrition? Fox Farm Nutrients could be your garden’s best friend. This brand offers a variety of formulas aimed at boosting plant growth. Many gardeners love Fox Farm for its quality and results.
FoxFarm Soil Trio
The FoxFarm Soil Trio (Grow Big, Big Bloom, and Tiger Bloom) is one of the most popular liquid nutrient systems for plants, offering targeted formulas for every growth stage, organic ingredients, and proven results. But does it live up to the hype for your garden? In this honest review, I’ll discuss its performance, key benefits, and limitations to help you decide.

Key Features of FoxFarm Soil Trio
✅ Complete Growth Coverage – Three specialized formulas for vegetation (Grow Big), flowering (Tiger Bloom), and soil health (Big Bloom).
✅ OMRI-Listed Organic Option – Big Bloom is certified organic, ideal for natural gardening.
✅ Fast-Absorbing Liquid Nutrients – Easier for plants to uptake than granular fertilizers.
✅ Versatile Use – Works for soil gardens, hydroponics, and indoor/outdoor plants.
✅ Includes Feeding Guide – Twin Canaries chart helps prevent over-/underfeeding.
Pros & Cons
Pros
- Improves Soil & Plant Health
- Great for Beginners & Experts
- Simple to Use
- Noticeable Growth Boost
Cons
- Requires Careful Dosing
- Strong Natural Odour
Who’s It Best For?
General Hydroponics
General Hydroponics stands at the forefront of indoor and hydroponic gardening nutrition. With a solid reputation for high-quality products, this brand caters to growers seeking reliability and efficiency. Their nutrient solutions aim to simplify the cultivation process while ensuring plants thrive in a controlled environment.
General Hydroponics CALiMAGic
The General Hydroponics CALiMAGic is a top-rated calcium and magnesium supplement that promises to solve common plant nutrient problems. But is it as good as growers claim? In this straight-to-the-point review, I’ll share what makes it special and who should use it.

Key Features of CALiMAGic
✅ Targeted Nutrition – Specifically fixes calcium and magnesium deficiencies that cause blossom end rot and yellow leaves
✅ Works Everywhere – Great for hydroponics, soil gardens, and even houseplants
✅ Easy to Mix – Liquid formula blends smoothly with water and other nutrients
✅ Clean Formula – Won’t clog your hydroponic system or leave residue
✅ Fast Results – See healthier new growth in 1-2 weeks
Pros And Cons
Pros
- Simple to use – just add to your watering routine
- Works on all kinds of plants, from veggies to flowers
- No bad smells (unlike some organic options)
- Stops common plant problems like brown leaf edges and rotten tomato bottoms
Cons
- Might slightly change your water’s pH
- Need to measure carefully – too much can cause issues
Perfect For
Which Plant Food Should You Buy?
If you’re trying to choose between Fox Farm and General Hydroponics plant foods, you’re probably wondering: Which one works better? After testing both in my garden, here’s the simple guide to help you decide.
Get Fox Farm If:
✅ You want organic, all-in-one nutrition.
✅ Growing in soil or containers.
✅ Don’t mind the earthy smell.
Get CALiMAGic If:
✅ Your plants show deficiency signs.
✅ Using hydroponics or coco coir.
✅ Prefer odourless, simple solutions.
Frequently Asked Questions
General Hydroponics and Fox Farm both offer quality nutrients for plant growth. Preference varies among growers, with some favoring General Hydroponics for its ease of use and others preferring Fox Farm for its organic ingredient list. Personal experience and plant needs ultimately guide the choice.
Yes, Fox Farm nutrients are highly effective for hydroponics. They provide a balanced mix of essential minerals and elements, ensuring optimal growth and health for hydroponic plants.
Many growers find Advanced Nutrients and General Hydroponics to be effective alternatives to Fox Farm for plant nourishment. These brands offer specialized formulas that can outperform Fox Farm in certain conditions.
Yes, Fox Farm fertilizer is highly regarded for its effectiveness in promoting plant growth and health and is favoured by both novice and experienced gardeners.
Conclusion
Both Fox Farm and General Hydroponics are great – they just do different jobs. Fox Farm is like a chef’s meal plan for plants, while CALiMAGic is like a first-aid kit. For my garden, I use both: Fox Farm to keep plants healthy and CALiMAGic for emergencies. Check prices today and see which fits your needs!