






🌿 Elevate your underwater jungle—because your plants deserve the best!
2HR Aquarist APT 3 Complete is a premium 300ml liquid fertilizer delivering a balanced blend of macro nutrients (NPK) and vital micro minerals like iron and magnesium. Designed for aquarium plants, it supports continuous growth with a simple dosing of 3ml per 100L, making it ideal for both beginner and expert aquarists seeking lush, vibrant tanks.









| ASIN | B08Y8KDPZ7 |
| Best Sellers Rank | #55,879 in Pet Supplies ( See Top 100 in Pet Supplies ) #489 in Aquarium Water Treatments |
| Brand | THE 2HR AQUARIST |
| Brand Name | THE 2HR AQUARIST |
| Coverage | Full |
| Customer Reviews | 4.6 out of 5 stars 834 Reviews |
| Included Components | NIL |
| Item Form | Liquid |
| Item Type Name | Aquarium Plant Fertilizers |
| Item Weight | 340 g |
| Liquid Volume | 1000 ml |
| Manufacturer | 2Hr Aquarist Pte Ltd |
| Mixing Ratio | 1:100 |
| Model Number | APT 3/ Complete |
| Number of Packs | 1 |
| Part Number | APT3 |
| Specific Uses For Product | Plant Growth |
| Target Species | Aquatic Plants |
| Unit Count | 1 Count |
| Warranty Description | NIL |
A**Y
Booster!
Wow, this fertilizer is seriously amazing! My aquarium plants have never looked so good. I've noticed a huge difference in their growth rate since I started using it. Not only are they growing faster, but the colors are so much more vibrant now. It's like a whole new tank!
S**M
algae didn’t increase when dosing correctly
The first time I tried to grow demanding plants without a proper fertilizing routine, my tank looked great for two weeks… then the stems stalled, leaves paled out, and algae slowly crept in. That frustration is what pushed me to try 2HR Aquarist APT 3 (All-in-One / Complete, 600 ml) — and it honestly simplified things more than I expected. 🌿 Plant Growth & Color APT 3 is designed for high-energy tanks (CO₂ injected, strong lighting), and that’s exactly where it shines. Once I started dosing consistently, I noticed stronger stem growth and deeper coloration, especially in reds. New growth looked fuller and healthier instead of thin or washed out. ⚖️ Nutrient Balance What I appreciate is that it’s truly all-in-one — macro and micro nutrients in one bottle. No juggling separate nitrate, phosphate, potassium, and trace bottles. That simplicity makes it much easier to stay consistent, which honestly matters more than anything. 💧 Ease of Use The pump dosing system is convenient and clean. Measured pumps make it simple to follow a schedule without guessing. It blends into the water quickly and doesn’t cloud the tank. 🌱 Algae Management In my experience, algae didn’t increase when dosing correctly. That said, this fertilizer assumes your tank is balanced — if lighting or CO₂ are off, nutrients alone won’t fix that. It works best when the rest of the system is dialed in. 🐠 Livestock Safety I haven’t seen negative effects on fish or shrimp when dosing according to instructions. As with any fertilizer, consistency and not overdosing are key. 📦 Bottle Size & Longevity The 600 ml bottle lasts a while even in medium to larger tanks. If you’re dosing daily in a high-tech setup, you’ll go through it faster, but for most users it’s good value considering the concentration. 💰 Value for Money It’s not the cheapest fertilizer on the market, but it’s formulated for performance. For high-light, CO₂ tanks where plant health is a priority, the results justify the cost.
A**S
This is the good stuff!
This has been an amazing product over the last several weeks. my plants have noticeably improved
B**E
Dennis Wong is a genius
If you locked Dennis in a room with Walstad, he could have advanced the industry 15 years in a heartbeat. That being said, this stuff is great. Been using it for a couple weeks and I have great growth and no algae.
K**O
Excellent
Some of the best ferts on the market
K**N
Grear plant emersed bucelha sea
2hr Aquarist has made it easy for beginners and advanced aquarists. The price for 2hr aquarist is quite high but some people like myself don’t like to make mess with it and dosing separate fertilizers.I been in hobby for 15 years with rare turtlers, African cichlids, Angelfish, rams, and discus. I started fluval bio stratum(decent bulight. Amazonia v2, (I miss Ada v is a great soil disconnect
A**S
BBA Growth
Causes black beard algae in my tanks but the epiphytes love it. Growth is great with only dosing once per week.
C**E
I would give it 6 stars if I could!
I am simply amazed at how quickly my plants are growing in my tanks after using this for only 2 weeks!!! This is well worth the money.
F**E
悪くない
ソイルの栄養が明らかに切れてきていたので使ってみてます。 トリミング後はやはりソイルの栄養が残っていた頃に比べると新芽の展開・成長はゆっくりですが、それでもちゃんと成長してくれてるので効果はあるのだと思います。 まだ効果は曖昧ですが、頂芽の萎縮しやすい種の萎縮も見られないのでこれからも継続して使ってみたいと思います。 しっかり濾過サイクルが整った水槽で水草が多めの環境であればさほど苔も出ていません。
J**N
Fantastic All-in-One Fertilizer – My Plants Love It!
This is one of the best all-in-one fertilizers I’ve used. Easy to dose, and my plants are thriving with rich color and steady growth. Algae is under control, and I’ve seen noticeable improvement within a couple of weeks. Highly recommended for planted tanks!
L**.
Satisfait
Super anglais a mètre moitier moi de ce cas préconise
J**N
No esperaba un resultado tan bueno
Era algo escéptico a cambiar demarca de abonado y tener que echarlo todos los días como indica las instruciones a diferencia de otras marcas ,me daba palo la verdad , pero con los resultados que tiene es espectacular . En un acuario plantado de 60 litros con CO2 de botella he pasado de unas plantas más bien normalitas a una jungla en cuestión de semanas . Antes apenas podaba una vez cada 2 meses y pico, ahora como me despiste las plantas le quitan el sitio a los peces para nadar en dos semanas . Lo recomiendo 100%
B**A
Very good quality for a good price.
Bought this fertilizer for my aquarium because it is very lightly stocked (only 1 crayfish) and the plants were struggling from having too little fish poop. it works very well and is easy to dose. if you have a tank with more fish than mine I would reccomend to get the one without nitrate in it (i think it's called apt0?) because that might cause problems if in too high concentrations
Trustpilot
2 days ago
1 month ago