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The 2Hr Aquarist

How to get the most out of APT. Planted Aquarium Science and The 2Hr Way. 

2Hr Aquarist Help Center

Should I use APT 1, APT3 or APTe?

Which fertilizer for a new tank without CO2 injection?

Which fertilizer for a new CO2 injected tank?

What is the best liquid fertilizer for a matured tank?

How is APT different from other fertilizers?

Which fertilizer should I use to prevent algae?

Which fertilizer is best for an Iwagumi Style aquarium?

Fertilizer Choice

What is my tank volume?

How much to dose for APT1/APT3/APTe?

Best time of the day to dose?

Dosing Frequency

How soon should I start dosing?

Can I dose APT 1, APT3 and/or APTe together?

Using APT with an auto doser

Can I do less water changes?

Should I add more Iron?

Problems after switching to APT?

Why are my nitrate / phosphate readings low?

Can I use APT SKY with APT fertilisers?

Will activated Carbon affect fertilizer usage?

Will a UV lamp / UV steriliser affect APT?

Usage Guide

Safe for Shrimp?

Will APT raise GH or KH?

Does APT contain copper?

How soon can I see results?

My leaves are not improving?

My leaves are turning yellow?

My plants are not getting redder?

I still see nutrient deficiency!

Why do I have low nitrate levels with APT?

My carpet has uneven growth?

Product Information

Sedimentation or Crystallization

What is the expiry date?

Product labels

How can I get a dispenser pump?

Product Labels & Handling

APT Fertilizers

Do I need APT SKY?

Should I use APT Sky or APT Sky plus?

How much to dose?

Best TDS for a planted aquarium?

How do I add APT SKY to the tank?

Do I need to raise KH?

How do I know if I'm keeping 'conflicting' species?

I have hard water. Should I dose APT SKY?

Is my tap water suitable for plants?

I have high KH but low GH. Should I use APT SKY?

My tank/tap has X GH. How much APT SKY should I dose?

My tank / tap measures +7dGH. Should I dose APT SKY?

APT SKY/ SKY Plus

Can I use APT START with an inert substrate?

What is inside APT START?

What is inside the blue sachet?

Can I use APT START with other bacteria products?

How much should I use for my tank?

How much substrate should be added on top of APT START?

Can I add fish immediately?

What is the expiry date of APT START?

If I use APT START, when do I use APT JAZZ?

APT START

Can I dose it straight into the water?

When will FIX / FIXLITE not work?

Can FIX / FIXLITE treat cyanobacteria / BGA?

APT FIX or APT FIXLITE?

How does APT FIX work?

How does APT FIXLITE work?

How often can I use APT FIX / APT FIXLITE?

How do I cover alot of areas?

How do I use APT FIX / FIXLITE as a dip?

How should I use APT FIX / APT FIXLITE in a new tank?

Will APT FIX / APT FIXLITE kill my plants?

I have alot of algae. Can APT FIX / APT FIXLITE help?

The algae is gone but my leaves do not look healthy?

Will APT FIX / APT FIXLITE harm my shrimp/ fish?

The color of my APT FIX is not clear?

I see some sediments in APT FIXLITE?

Expiry of APT FIX / APT FIXLITE?

How should I read the pipette?

My fish / shrimp died!

APT FIX / APT FIXLITE

How do I use APT PURE?

APT Pure smells bad?

What is the Expiry of APT PURE?

Can I use APT PURE together with Purigen?

Odd Ammonia test result with APT PURE?

Would APT PURE affect fertilizers?

Do I really need APT PURE?

What is Chloramine?

Can I remove Chlorine naturally without APT PURE?

APT PURE

Do I need liquid fertilizers if I use APT JAZZ?

How much APT JAZZ do I add?

How is APT JAZZ nitrate limiting?

Can I achieve nitrate limitation with other root tabs?

How is APT JAZZ different?

Can I use APT JAZZ with inert substrates?

Can I use APT JAZZ with a shallow substrate?

When might APT JAZZ not work?

How is APT JAZZ different from osmocote?

APT JAZZ

Do I need to rinse before use?

Should I cap the aquasoil with sand?

How deep should my substrate be?

Does APT Feast release Ammonia?

How should I handle the ammonia release when using the aquasoil?

Can I plant in the aquasoil straight away?

How soon can I add livestock to the tank?

Is APT Feast suitable for shrimps?

My pH is dropping a lot in my tank with the aquasoil?

Do I need to increase my KH to counteract the softening properties of Aquasoil?

Do I need to add root tabs?

Do I still need to add liquid fertilizer?

How long does the aquasoil last? Does it need to be changed after some time?

How deep can my aquasoil substrate be?

Do I need to poke the aquasoil to release the trapped air bubbles?

Do I need to vacuum my substrate ?

Can I use APT Feast without a Dark Start?

APT FEAST

Can I change my order?

My order was marked delivered but it’s not here.

What do I do if I receive the wrong item in my order?

What if my package gets lost or arrives damaged?

PURCHASES & ORDERS

How to unlock the magic of APT's Capstone Formula.

How to boost shrimp health and enable softwater and hardwater plants to thrive together.

How to unlock the benefits of this all-in-one booster for new tanks.

How to gently yet effectively get rid of algae.

How to quickly and safely remove chlorine & chloramines and detoxify heavy metals, ammonia, nitrites and nitrates.

How to rejuvenate depleted aquasoil and achieve thicker, fuller growth forms for plants.

How to get help with any order changes or issues.

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