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Bloom All-in-One Liquid Plant Fertilizer

Copper-free, shrimp-safe formula with high iron and potassium.

Size: 8oz
$14.99 USD
$14.99 USD
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🐠 Aquarium
  • Copper-free and shrimp safe — one weekly dose covers nitrogen, potassium, iron, and trace minerals for the entire planted tank with no CO2 needed.

  • A single 16oz bottle doses a 10 gallon tank for over a year — no separate macro and micro bottles, just one formula that covers everything.

Ships from Wisconsin, USA Shrimp Safe Made in the US Betta Safe
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Questions & Answers

Answered by real pet keeping experience.

Q How often and how much do I dose?
Dose once a week, straight into the water column, based on your tank volume. Start at the recommended rate on the bottle, then adjust up or down depending on how your plants respond and what algae is doing. Shake before use — that's the whole routine.
Q Is it safe for my shrimp and snails?
Yes. Bloom is completely copper-free, and copper is the ingredient in many standard fertilizers that makes them harmful or fatal to shrimp and invertebrates. You can dose it in tanks with cherry shrimp, caridina shrimp, snails, and any other freshwater invertebrate without a separate dose calculation or a water-change buffer.
Q Do I need CO2, or separate macro and micro bottles?
Neither. Bloom is a true all-in-one — no CO2 injection required, and no juggling a separate macro bottle and micro bottle. A single weekly dose delivers nitrogen, potassium, iron, and a full spectrum of trace minerals to every plant in the tank at once.
Q My plants are yellowing, getting holes, or growing slowly — will this fix it?
Usually, yes. Most planted-tank problems that look like plant disease — yellowing leaves, holes in foliage, stunted growth, washed-out color — are actually nutrient deficiencies, the water column missing something the plants need. Dosing a consistent all-in-one on a regular schedule resolves the majority of these within two to four weeks, without you having to pin down exactly which nutrient was short.
Q I'm new to planted tanks — is this complicated to use?
Not at all — that's the whole point of an all-in-one. You don't have to learn the full nutrient-management system or diagnose individual deficiencies. You dose once a week at the recommended rate and let a consistent schedule do the work, which is exactly what most new planted tanks need to grow healthy plants without the deep dive.
Q Do I still need root tabs?
It depends on your plants. Bloom feeds through the water column, so it's a complete standalone solution for stem plants, mosses, and floating plants that feed that way. For heavy root feeders like swords and crypts, pair it with root tabs — the two work well together, with Bloom covering the water column and the tabs feeding the roots.
Q How long does one bottle last?
The 16oz bottle covers a standard 10-gallon tank for well over a year at the recommended dosing rate, so a single bottle handles a small planted tank for a long time before you need to reorder.
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Dose directly into the water column once a week and it delivers nitrogen, potassium, iron, and a full spectrum of trace minerals to every plant in the tank simultaneously. No CO2 injection needed and no separate macro and micro fertilizer bottles to manage — one dose covers everything a planted freshwater tank requires to grow healthy and stay colorful. The formula is completely free of copper, which is the ingredient in many standard fertilizers that makes them harmful or fatal to shrimp and invertebrates. Safe to use in tanks with cherry shrimp, caridina shrimp, snails, and all other freshwater invertebrates without a separate dose calculation or water change buffer. The 16oz bottle covers a standard 10 gallon tank for well over a year at the recommended dosing rate.

Most planted tank problems that look like plant diseases are actually nutrient deficiencies — yellowing leaves, holes in foliage, slow growth, and poor color are almost always a sign that the water column is missing something the plants need. A consistent all-in-one fertilizer dosed on a regular schedule solves the majority of these issues within two to four weeks without requiring the keeper to diagnose which specific nutrient is missing. This is especially useful for newer planted tank keepers who want healthy plants without having to learn the full nutrient management system from scratch. Works well with root tabs for heavy root feeders like swords and crypts, or as a standalone solution for stem plants, mosses, and floating plants that feed entirely through the water column.

Dose once per week based on tank volume — start at the recommended rate and adjust up or down based on plant response and algae activity. Freshwater use only. Shake before use. Store at room temperature away from direct sunlight. Safe for all freshwater fish, shrimp, snails, and invertebrates. Compatible with all standard aquarium filtration, substrates, and water conditioners.