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🌿 Unlock explosive root power and grow like a pro!
General Hydroponics RapidStart is a premium liquid root enhancer with a balanced 1-0.5-1 NPK formula, designed to stimulate prolific root branching and fine root hair development. Suitable for all growing media including hydroponics and coco coir, it supports plants throughout their entire growth cycle, improving nutrient uptake and overall vigor. Trusted by thousands with a 4.7-star rating, RapidStart is the go-to solution for professional and hobbyist growers aiming for bigger, healthier plants.









| Application Method | liquid feed |
| Asin | B00598D6VS |
| Best Sellers Rank | #14,371 in Patio, Lawn & Garden (See Top 100 in Patio, Lawn & Garden) #445 in Garden Fertilizers |
| Brand Name | General Hydroponics |
| Coverage | 1 Liter |
| Customer Reviews | 4.7 4.7 out of 5 stars (3,736) 4.7 out of 5 stars |
| Global Trade Identification Number | 00793094017039 |
| Included Components | RapidStart |
| Item Form | Liquid |
| Item Type Name | Promotes Root Growth For Seedlings, Starts & Transplanting |
| Item Weight | 2.5 pounds |
| Liquid Volume | 1000 ml |
| Manufacturer | General Hydroponics |
| Mixing Ratio | 0.25-0.5 mL per L of water |
| Model Number | HGC726865 |
| Number Of Items | 1 |
| Part Number | HGC726865 |
| Specific Uses For Product | Hydroponics, Plant Growth, Root Development, Seed Development |
| Target Species | Plants |
| Unit Count | 33.8 Fluid Ounces |
| Upc | 793094017039 |
User
Works perfect! Beards and beards!
This works EXACTLY as labeled! No worries, no guessing. Just follow the instructions, it only takes a FEW DROPS PER GALLON! And your plants will have beards of roots a month later! BE WARNED.DO NOT OVER USE! Or you will have "ZZ Top" Bearded plants. (really its that good, be patient, follow instructions)
User
This product is well worth the money
Excellent product it does what it’s supposed to do. I would definitely buy it again when I’m ready.
User
I'm impressed so far
I went with rapid start instead of super thrive because a.) gauranteed analysis and b.) I read a few things about stimulants causing deformities in plants longterm (like 1 year+).I haven't tried super thrive, so I can't compare. But I'm impressed by rapid start. I don't use root or clone mixes because I've never seen a need, but this definately changed my mind.I'm transitioning my calatheas to leca. So their soil root systems are (*mostly*) intact. And I was worried they either a.) would deteriorate in water or b.) wouldn't grow water roots at all. I'm really impressed by the water root growth I've seen over the last three days alone.I was anticipating the calatheas (my white fusion in particular) wouldn't take kindly to the transition, but they're doing so well! I thought it'd take a few weeks to a month to see secondary water roots, but I see the... buds? forming for secondaries today!It's pretty rare that a product will get me to change my tune on a whole category of products, but this one definately did. I'm excited to pot them way faster than I ever would've guessed was possible! I'm definately going to try adding this when I start seeds in the spring. Especially for my strawberries!
User
GH Rapidstart a must for cloning
Very helpful for starting clones, roots develop quickly, strong and white. Another very good product from GH
User
Impressive
I was transplanting a seedling and got a little rough with the plant and damaged the roots. I used this RapidStart to give my plant a new life and it worked. The root structure is back to normal and the plant has perked up and thrived. Definitely buying more and using it both hydroponically and in soil.
User
pricey but great
It really works!
User
Root starter
Product works great
User
Good as House and Garden
Edit: Leak suggestion. It’s not the almost ideal design but the original bottle comes with two caps. One to keep airtight, the black one to cover. Looks like most are removing the airtight cap and just using the black. That’s fine except it will leak and use caution. Instead of shaking, gently stir it. To some degree use common sense guys. You’re getting a top shelf product at half the cost of H&G.Don’t be fooled by the price. This was reverse engineered from roots by house and garden at half the cost. I suggest using 2ML through mid flower, then stop. You won’t be disappointed paired with some bennies like great white. Just make sure you feed the bennies and don’t kill them off with chlorine or chloramines. Happy growing!
User
発根効果有ります!こちらはたっぷり使えます。
最初お試しで30mlを購入しました。コーデックス グラキリスの現地球の発根に水耕栽培でチャレンジしました。5分の3 発根し無事土に植替えました。購入が12月だった事もあり適期の4~5月から始めるよりだいぶ時間が掛かってしまいましたが、こちらの効果は確実に実感しました。今まではメネデール液を使っていましたが、今ではこちらを使うようになりました。お勧めします!!
User
これは
根が急速に発達するのが実感できました。
User
It really works
First time user, and when I transplanted my plant from my 1 gal to 3 gal cotainer and 3 gal to 5 gal container, the plant had a huge amount of roots ( which is not an issue in coco ) in a very small amount of time. This product really works. You cannot believe how much roots this product will generate. I am simply amazed.
User
容器に問題あり
挿木や日常使いに便利だと思いました。ただし容器の構造上、無茶苦茶 中の液体が垂れてきます。キャップの内側に少しでも液体が付いてると知らぬ間に垂れてしまい、汚れてしまいます。後はカビが生えてくるのが問題です。気がついたら内部がカビで覆われていますのでこのまま使用して良いか不安になります。
User
Bon prix!
Bon produit , bon prix , arrivé en parfait état !Je recommande!
Trustpilot
1 month ago
2 weeks ago