Organic Plant Magic Fast-Acting Soluble Plant Food (Two 1 lb Bags) Review (2026)

A bulk soluble feed for frequent balcony watering

This listing bundles two 1 lb bags of Organic Plant Magic's fast acting soluble plant food, aimed at a balcony or patio grower who feeds a fair number of containers on a regular schedule rather than just a pot or two. Because the maker states a single 1 lb bag makes more than 64 gallons of feeding solution, two bags together provide a large reserve that suits vegetables, herbs and flowering plants fed every week or two through spring, summer and fall. It is less suited to someone with only a couple of small pots, since a lot of powder will sit unused for a long time. Our score of 7.8 out of 10 reflects strong value against a features score of 7 out of 10, since no NPK ratio is printed on the packaging.

What is in the bags and how the formula works

Like the rest of the Organic Plant Magic line, this fast acting soluble plant food is a powder rather than a liquid concentrate, formulated with more than 55 trace minerals along with beneficial microorganisms that the maker markets as supporting root and soil health. The company does not publish a conventional nitrogen, phosphorus and potassium ratio for this product, so it is best understood as a broad spectrum feed rather than a targeted formula for a specific plant type. The same base recipe is also sold in a smaller 1/2 lb single bag, so this two bag bundle is effectively a bulk version of that smaller size aimed at growers who go through fertilizer faster or want to avoid reordering partway through the season.

Mixing, feeding and keeping the powder usable

The maker's directions call for roughly 1 tablespoon of powder per gallon of water for regular feeding, with the option to increase strength up to about 4 tablespoons per gallon, and a similar ratio worked into soil at planting time. Once mixed with water, the solution should be used within about 24 hours, since the beneficial microorganisms in the formula rely on oxygen and lose effectiveness sitting in a closed container. That means each feeding session calls for a fresh batch rather than a jug premixed in advance for the month. Between feedings, the dry powder needs to stay somewhere cool and dry, since it can clump if it picks up moisture from a humid balcony storage spot.

How it compares with Down To Earth and AgroThrive fertilizers

In the site's organic fertilizer guide this two bag bundle ranks fourth of six, behind Down To Earth's granular 4-4-4 vegetable fertilizer, AgroThrive's liquid 3-3-5 fruit and flower feed, and the smaller 1/2 lb bag of this same Organic Plant Magic formula. Down To Earth and AgroThrive both print a clear nutrient ratio and need less frequent mixing, which helps explain their higher rank. Against its own sibling product, this two bag bundle offers more total volume for a similar price per gallon of solution, which supports its 9 out of 10 value score, but it does not add any feature the smaller bag lacks, so the choice mostly comes down to how much fertilizer a given balcony garden will use in a season.

Verdict and who should pick something else

This two bag bundle makes sense for a balcony or patio gardener feeding a meaningful number of containers on a regular schedule who wants to avoid reordering fertilizer mid season, and who does not mind mixing a fresh batch of solution at each feeding. Its 7.8 out of 10 score reflects real value in bulk rather than top tier features. Someone with only a few small pots would likely get more practical use from the smaller 1/2 lb single bag instead, and growers who want a printed nutrient ratio and less frequent mixing should look at Down To Earth's granular fertilizer. Store the unused powder somewhere dry to keep it from clumping before use.

Frequently asked questions