{ "id": "liquid-plant-food-fertilizer-for-aerogarden", "sku": "liquid-plant-food-fertilizer-for-aerogarden", "title": "TPS Nutrients Liquid Plant Food for AeroGarden and Hydroponic Systems, 8 oz", "slug": "liquid-plant-food-fertilizer-for-aerogarden", "price": 23.99, "currency": "USD", "availability": "in_stock", "category": "nutrients", "category_label": "Nutrients", "tags": [], "colors": [], "materials": [], "dimensions": null, "weight": "0.5 lb", "images": [ "https://americanhydroponic.com/dropship-images/nutrients/liquid-plant-food-fertilizer-for-aerogarden/main-liquid-plant-food-fertilizer-for-aerogarden.jpg", "https://americanhydroponic.com/dropship-images/nutrients/liquid-plant-food-fertilizer-for-aerogarden/liquid-plant-food-fertilizer-for-aerogarden-10.jpg", "https://americanhydroponic.com/dropship-images/nutrients/liquid-plant-food-fertilizer-for-aerogarden/liquid-plant-food-fertilizer-for-aerogarden-2.jpg", "https://americanhydroponic.com/dropship-images/nutrients/liquid-plant-food-fertilizer-for-aerogarden/liquid-plant-food-fertilizer-for-aerogarden-3.jpg", "https://americanhydroponic.com/dropship-images/nutrients/liquid-plant-food-fertilizer-for-aerogarden/liquid-plant-food-fertilizer-for-aerogarden-4.jpg", "https://americanhydroponic.com/dropship-images/nutrients/liquid-plant-food-fertilizer-for-aerogarden/liquid-plant-food-fertilizer-for-aerogarden-5.jpg", "https://americanhydroponic.com/dropship-images/nutrients/liquid-plant-food-fertilizer-for-aerogarden/liquid-plant-food-fertilizer-for-aerogarden-6.jpg", "https://americanhydroponic.com/dropship-images/nutrients/liquid-plant-food-fertilizer-for-aerogarden/liquid-plant-food-fertilizer-for-aerogarden-7.jpg", "https://americanhydroponic.com/dropship-images/nutrients/liquid-plant-food-fertilizer-for-aerogarden/liquid-plant-food-fertilizer-for-aerogarden-8.jpg", "https://americanhydroponic.com/dropship-images/nutrients/liquid-plant-food-fertilizer-for-aerogarden/liquid-plant-food-fertilizer-for-aerogarden-9.jpg" ], "description_short": "An 8 oz liquid concentrate that mixes at one teaspoon per gallon of water, feeding herbs and vegetables through the reservoir to support steady growth and strong roots.", "description": "The problem with growing in water\n\nAn indoor hydroponic garden is a lovely thing right up until week five, when the basil stalls, the lettuce goes pale, and you start wondering what you did wrong. Usually the answer is nothing. You just ran out of food.\n\nOutdoors, a plant sits in soil. Soil is a storehouse. It holds minerals, it holds organic matter breaking down slowly, and it holds a whole population of microbes releasing nutrients over months. A plant in the ground can coast for a while on what is already there.\n\nA plant in a countertop garden has none of that. Its roots sit in plain water with a pump pushing it around. Whatever that plant needs has to be dissolved in that water by you. When the water runs low on nutrients, the plant has nowhere else to go, and you see it in the leaves within days.\n\nThat is the gap a liquid plant food fills. It is not a tonic or a booster. It is the actual meal.\n\nHow a liquid feed works in a reservoir\n\nThe idea is simple. You add a measured amount of concentrate to the water in your tank, the pump circulates it, and the roots absorb what they need as the water passes by. There is no waiting for anything to break down. The nutrients are already in a form the plant can take up.\n\nThis product uses a stated ratio of one teaspoon per gallon of water. That figure matters more than it looks. A fixed, memorable ratio means you can feed at the same time you refill, without a scale, a chart, or a calculator. For a kitchen counter garden that you walk past twice a day, the routine you will actually keep is the one that takes thirty seconds.\n\nBeing a liquid helps too. Powdered nutrients work perfectly well, but they need dissolving properly or you get grit in the bottom of the tank and uneven strength in the water. A liquid concentrate blends straight in.\n\nThe listed uses here are plant growth and root development. Those two go together. Roots are the plant's intake system, and a weak root mass puts a ceiling on everything above it. You can have a perfect lamp running twelve hours a day and still get skinny plants if the roots cannot keep up. Feeding the water feeds the roots, and the roots do the rest.\n\nWho this suits\n\nThe target species listed are herbs and vegetables, which lines up neatly with what most people actually grow indoors.\n\nHerbs are the big one. Basil, parsley, mint, cilantro, chives and thyme all do well in a water based unit, and they all get cut constantly. Every harvest is a demand on the plant to regrow. A herb you snip twice a week is working far harder than a decorative plant sitting in a corner, and it needs feeding to match.\n\nLeafy greens are the other common crop. Lettuce, arugula, spinach and baby kale grow fast and are largely made of leaf, which makes them hungry for nitrogen. Small fruiting plants like chili peppers and cherry tomatoes also show up in countertop gardens, though they take longer and need more light.\n\nIf you are growing in soil pots on a windowsill, this is probably not your product. A soil feed is designed around a medium that already holds minerals. If your plants sit in water, this is squarely aimed at you.\n\nHow to choose a plant food for an indoor garden\n\nA few things actually matter, and plenty do not.\n\nMatch the format to your system. Water based units want something that dissolves cleanly. A liquid concentrate is the least fussy option for a reservoir.\n\nLook at the dosing. A single clear ratio beats a complicated chart for a home grower. Multi part systems with separate grow and bloom bottles give you more control, and that is genuinely useful if you are running a serious setup. For a counter with six pods of herbs, it is a lot of effort for little gain. This one is a single bottle with one ratio.\n\nCheck it is meant for edibles. If you plan to eat the harvest, use something designed for herbs and vegetables. That is what this is formulated for.\n\nThink about bottle size against your tank. Coverage here is rated medium, and the bottle holds 8 fluid ounces. At a teaspoon per gallon that is a decent run of feeds for a small unit, and a shorter run for a large one. If you have a big tank or multiple gardens, plan on buying more often.\n\nIgnore anything that promises miracles. A plant food gives a plant raw materials. It does not fix bad light, a dead pump, or a tank that has not been cleaned since February.\n\nBuilding a feeding routine that sticks\n\nHere is what works for most people.\n\nTop up the water whenever the level drops noticeably, and add feed at the stated rate for the amount of water you are adding. Not the tank size, the water you are pouring in. That keeps the concentration roughly steady instead of creeping up.\n\nEvery week or two, do a full change. Drain the tank, rinse it out, refill with fresh water, and dose for the full volume. This clears out salt buildup and anything that has gone stale. Plants respond to a fresh tank noticeably, and it takes five minutes.\n\nWatch the leaves rather than the calendar. Pale new growth and slow regrowth after a cut usually mean the tank needs refreshing. Browning or curling leaf edges can point the other way, towards too much. If you suspect overfeeding, run a cycle on plain water and then go back to the normal rate.\n\nAnd keep the measuring honest. A kitchen teaspoon is fine. Eyeballing a glug from the bottle is how people end up overfeeding without realizing.\n\nStorage and handling\n\nKeep the cap on tight and the bottle upright, somewhere cool and dark. Under the counter or in a cabinet is ideal. Direct sunlight on a bottle of concentrate is not doing it any favours.\n\nShake before each use so everything is evenly distributed. Measure with a clean spoon, and rinse it afterwards rather than leaving residue to dry on. Wipe any spills on the unit straight away, since dried nutrient can mark surfaces.\n\nStore it out of reach of children and pets, and wash your hands after handling. Wash your harvest before eating, the same as you would with produce from a garden bed.\n\nA note on what we know and what we do not\n\nWorth being straight about this. The record for this product confirms the brand as TPS Nutrients, the part number as LIQUIDPF8OZ, the volume as 8 fluid ounces, the mixing ratio as one teaspoon per gallon, and the target species as herbs and vegetables.\n\nThe exact nutrient analysis, the country of origin, and the pack dimensions are not specified in the information we have. The bottle label will carry the guaranteed analysis and origin details required where it is sold. If you keep records of your feed figures, check the label when it arrives rather than relying on anything we have guessed.\n\nThe short version\n\nHydroponic plants eat what you put in the water, and nothing else. When a countertop garden stalls, a missed feed is the usual culprit.\n\nThis is a single bottle liquid feed, 8 fluid ounces, mixed at one teaspoon per gallon, aimed at herbs and vegetables in AeroGarden style units. The appeal is that it is simple enough to actually use, which matters more than any spec sheet when you are topping up a tank on a Tuesday morning.\n\nFeed when you refill, change the water every week or two, keep the light running, and the garden keeps producing.", "llm_summary": "TPS Nutrients Liquid Plant Food is an 8 fluid ounce liquid fertiliser concentrate for AeroGarden and similar indoor hydroponic systems. Model and part number LIQUIDPF8OZ, UPC 850048592056, sold as a single bottle. The stated mixing ratio is one teaspoon per gallon of water, added to the unit reservoir. Listed target species are herbs and vegetables, and listed specific uses are plant growth and root development. Coverage is rated medium. Item weight is 8 ounces and shipping weight is 0.5 lb. Item form is liquid. The nutrient analysis, color, country of origin and pack dimensions are not specified in this product record. Condition is new and the item is in stock.", "returnable": true, "return_policy": "Voluntary 14-day change-of-mind returns in original condition, buyer pays return postage; state consumer protection law and implied warranties for faulty goods. Return postage on faulty goods is ours.", "shipping_profile": "standard", "warranty": null, "brand": "Hydroponics Company", "gtin": null, "mpn": null, "condition": "new", "url": "https://americanhydroponic.com/liquid-plant-food-fertilizer-for-aerogarden/", "canonical_url": "https://americanhydroponic.com/liquid-plant-food-fertilizer-for-aerogarden/", "json_url": "https://americanhydroponic.com/api/products/liquid-plant-food-fertilizer-for-aerogarden.json", "updated_at": "2026-10-09" }