Fertilome Natural Guard Humate Humic Acid Concentrate

This is a soil amendment, not a fertilizer. While it helps your plants absorb nutrients more efficiently, it does not provide the primary N-P-K nutrients that fertilizers offer; it is designed to improve the soil environment so your existing fertilizer works better.

Yes, it is safe and effective for indoor containers. Because it helps improve soil structure and nutrient uptake, it is a great way to revitalize potting soil that has become depleted over time.

For best results, apply it consistently throughout the growing season. Most gardeners find that applying it every 4 to 6 weeks is sufficient to maintain healthy microbial activity and support vigorous growth.

Yes, as a concentrated formula, it must be diluted with water before application. Always check the label instructions for the specific mixing ratio to ensure you are applying the correct strength for your plants.

Humic acid generally acts as a buffer, helping to stabilize soil pH rather than drastically changing it. It is more focused on improving soil structure and nutrient availability than correcting extreme pH imbalances.