Tackle the most demanding plants, or just enjoy everyday magic in new tanks with aquasoil, and aquariums with more fish. The easiest way to unlock the true potential of your planted tank today.
The 2Hr Aquarist All-In-One Fertilizer.
Richer Colors, Less Algae. Better Results.
Dose 5ml per 100L four times a week or 3ml per 100L daily.
200ml lasts ~3mths for an 18 Gal / 70L tank. NO PUMP.
500ml lasts ~3mths for a 50 Gal / 190L tank. NO PUMP.
1000ml lasts ~3mths for a 100 Gal / 380L tank. NO PUMP.
Our signature Standard Pack comes with a calibrated pump.
300ml. Lasts ~3mths for a 30 Gal / 115L tank.
Buying the nutrients separately easily add up to US$75+. A 500ml bottle of APT costs US$24.99
"I have a nice 135 gallon planted tank. The plants were nice, they grew ever so slowly and appeared healthy yet the color was not great. Corn white leafs and some paleness to the general look. I was using both in gravel ferts and bi-weekly doses of seachem products. I ordered the 2hr Aquarist fertilizer. in three days ( one dose) I thought I noticed some greening up of the riccia. In one week and two doses it was obvious that the ground cover ( Cuba) and the riccia were definitely greener. Two weeks on and the planted aquarium has taken on a whole new green green, healthy look! GREAT product."
100% comprehensive Macro+ Micro formula of N, P, K, Iron and Traces in our proprietary Capstone RatioTM.
APT has been an absolute joy to use! My plants have experienced significant growth and colouration when paired with CO2 injection. What is best is that the product contains all the macro, micro and trace elements all in one! The dosing regime is also really simple and convenient, perfect for me even with my tight schedule. It saves me the time of mixing my own nutrients and saves me the money of getting all these nutrients separately. Thank you for making such a great product right here in Singapore!
Try it for 100 days. If it doesn’t work, get a full refund. We are aquarists too and want the best for you.
"Firstly I'm a beginner aquascaper. In my very short aquascaping life I used many fertilizers like ADA, EI, APK and APT. But most of all I like APT most. Because it's cost effective [and] so amazing. You can see changes within 2 weeks. Also I'm a lazy man [so] it is most suitable...for me 'cause l need to change water once in two weeks? Now my plants are more bright and healthy. I recommend to you that you need to sharp[en] your scissors 'cause you need to trim more and more after you use APT. Thanks 2Hr Aquarist for APT."
Seen improved growth on the anubias since using APT Zero on the low tech, low light tank. Have to adjust the dosing to about half and 50% water change weekly to slow down algae growth whilst waiting for the tank to rebalance.
Transitioned to APT-Zero as I’m getting wayy too much growth & could barely keep up w the APT-C regimen! Which is a good problem to have— no complaining, just need it tamed down a little. By calc, APT-Zero/Lean Dosing should be the way to go after a tank matures.
This product is a dream. I’ve went through numerous liquid ferts, only to gain algae problems after use. Some actually contained trace amounts of liquid carbon that ended up throwing the balance of my tank off and cause algae to become abundant. Of course it is imperative to know what your tank needs; my tank is cryptocoryne dominant, but still needed some fertilizers to perk up the growth. I still dose following the instructions on the bottle, but only about 50-60% of the dosage for my tank ( 9.3 gallon tank, I dose 1 ML every other day ) and just based off the week of use, you can already see the results. The first picture is growth that was being hindered by algae and is small and crumpled. The second shows new growth, very strong and red coloration already. The third shows the lone bucephalandra I have with red and a much larger leaf (and still growing) than the others. This will definitely be my go to liquid fert for this tank, I finally found the perfect solution!
Which product is right for me?
For tanks with more fish, fewer plants. For new tanks (<3 months) with aquasoil. Comprehensive nutrition without nitrates and phosphates for maximum algae control.
For tanks with more plants, fewer fish. 100% comprehensive macro, micro and trace minerals. Unique Capstone ratio unlocks richer colors and stronger growth.
For heavily planted Dutch Style tanks and users who understand EI methodology. Supremely concentrated and expertly balanced.
It is normal for tanks less than 6 months old to have various bouts of algae issues, most of which can be avoided with proper cycling prior to planting. APT cannot compensate for inadequate cycling.
It is also normal for plants to take several weeks to adapt. APT helps to speed up the process, but you still need patience. In tanks without CO2, this takes 2-3 months. Adaptation may involve shedding leaves (yes!) and / or having leaves that appear deformed. The hardest, yet most effective response is to tinker less and provide a stable tank environment for the plants to adapt. Look for improvement in NEW LEAVES, not old ones.
A mature tank can respond to better nutrition in several ways. The best (and most common) outcome is healthier NEW GROWTH. Old leaves do not rejuvenate even when conditions improve, and may even deteriorate faster, as we explain here.
In rare cases, better nutrition can seemingly trigger algae. This can happen:
(a) if there is prior accumulation of organic waste, especially on mosses and slow growers. When plants adjust to a new nutritional environment, they release proteins that serve as food for algae. The combination of accumulated organic waste + excreted proteins can be a trigger for algae.
(b) if volatile organic matter is released due to replanting or cleaning. In mature tanks, volatile organic matter builds up naturally in the substrate and hard-to-reach corners. When inadvertently released, often coincidentally with improved nutrition, algae can bloom. This can be avoided by performing thorough water change the 2Hr way after replanting / revamping the tank.
(c) if seemingly ‘OK’ plants (especially slow growers like Mosses, Bucephalandra, Crypts, Java Fern, Anubias, Alternanthera species etc.) are actually not as healthy as they appear. Plants often respond to improved tank conditions (better nutrition, or lighting, or CO2…) by accelerating the shedding of older, less healthy leaves. This attracts algae, which help in the decomposition process. Slow growers that are not healthy are especially hard to spot, as they can be in 'Zombie’ states for a long time, as we describe here.
(d) finally, if you are making a drastic change in dosing regime (e.g. very lean to something alot richer, or vice versa), this forces plants to reprogram their cells to adapt and this process almost certainly triggers algae. A gradual transition over 2-3 weeks often helps. But the longer slow-growers have adapted to a particular environment, the harder it is for them to 'switch'.
If you have a mature tank (> 1 year old) and are looking to improve plant health / growth, please check out this article.
Questions on usage, dosage or your tank? Let us know.
We also have a detailed FAQ here that may help.