Comparison: Best Bat Guano And Fish Emulsion (Updated | Dec 1st)

Both formulas combine fish emulsion, which supplies quick‑acting nitrogen, and bat guano, a rich source of phosphorus and potassium for root development. The blend creates a balanced nutrient profile that supports vigorous vegetative growth and strong flowering. The first product emphasizes a synergistic matrix for consistent nutrient release, while the second highlights the same core ingredients with a focus on ease of use.

You can apply either product as a foliar spray or a soil drench, diluting the concentrate according to the label directions (usually 1‑2 tablespoons per gallon of water). For transplants, a soil drench encourages root establishment, while a foliar spray during flowering boosts bloom size. Apply every 2‑3 weeks during the active growing season for continuous feeding.

Both items come in a 32‑ounce container, but the first product includes additional marketing claims about a “synergistic matrix,” which may justify a slightly higher price if you value that formulation. If price is the primary factor, the second product offers the same core nutrients without extra frills, often at a lower cost per ounce. Consider any discounts or bulk‑purchase options to determine true cost efficiency.

The listings do not provide exact N‑P‑K percentages, but both formulas are designed for a balanced 2‑1‑2 type ratio typical of fish‑guano blends. The first product claims a “cohesive partnership” that may indicate a slightly higher organic matter content, potentially leading to slower, more sustained release. If precise ratios are critical for your garden, contact the manufacturers for detailed analysis.

Yes, the fish and guano blend is versatile and safe for most ornamental, fruiting, and leafy plants. For edible crops, follow the recommended dilution and avoid applying too close to harvest to prevent residue buildup. Indoor plants benefit from the gentle foliar spray, which provides nutrients without overwhelming the root zone.

Both products are sold in 32‑ounce plastic bottles with a twist‑off cap, making storage and pouring straightforward. The first listing mentions a “synergistic matrix” which may include a built‑in mixing guide on the label, while the second provides a simple usage chart. If you prefer clear, concise instructions, the second product’s label is often considered more user‑friendly.

Wear gloves and eye protection while mixing and applying to prevent skin irritation from the concentrated nutrients. Keep the bottles out of reach of children and pets, and store them in a cool, dry place to maintain potency. Always wash hands thoroughly after use and clean any equipment that comes into contact with the fertilizer.