Fertilizers

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the choice of award winning aquascapers

Revolutionary Capstone technology

APT 1 "Zero"

Designed for tanks with more fish, fewer plants.

Comprehensive nutrition without nitrates and phosphates for maximum algae control.

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APT 3 "Complete"

Designed for tanks with more plants, fewer fish.

100% Comprehensive and expertly calibrated macro, micro and trace minerals.

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APT e "Estimative Index"

Designed for heavily planted Dutch-Style tanks.

Supremely concentrated and 100% comprehensive macro, micro and trace minerals.

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APT j "JAZZ"

Designed to complement water column dosing.

The secret to unlocking thick, juicy forms and the deepest possible reds.

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like no other

Richer colors, stronger growth and less algae than conventional fertilizers.

beautiful results

The simplicity of dosing, together with outstanding results, has made the decision to buy this product a no-brainer...

Drew H.

wow! what a difference

APT Complete is everything you want in an all-in-one fertilizer. I have only been using this stuff for 12 days and already see the difference...

Jim B.

definitely the best

Definitely the best fertilizer I have ever had. It's amazing...

Thomas M.

a great product

I have never had better colors and just overall health of my plants...

Antonio V.

dedicated to your success

Only APT comes with an integrated methodology and success-system used by thousands of aquarists across 20+ countries.

aquarium fertilization

Nutrient uptake through leaves

September 08, 2025 2 min read

When do we start adding fertilizer and do I need to add plant fertilizer in an aquarium? Start fertilizing immediately on day one when planting. All aquarium plants require regular fertilization for healthy growth and vibrant colors through foliar absorption—the natural process of absorbing nutrients directly through leaf surfaces.