2HR Aquarist APT 1 – Low-Tech Liquid Fertilizer Size:1000 ml spotlight-style contrast rather than flat

spotlight-style contrast rather than flat

Inline installation on 12/16 mm filter hoses

Can I use this for a reef or saltwater tank

1 ml increments

Aquarists running pressurized CO₂ on large planted tanks (over 200 litres)

2HR Aquarist APT 1 – Low-Tech Liquid Fertilizer Size:1000 ml spotlight-style contrast rather than flat2HR Aquarist APT 1 Low Tech Liquid Fertilizer APT 1 is an all in one liquid fertilizer built for aquariums where fish already provide most of the nutrients your plants need. It's the go to formula for fish heavy community tanks and for new aquariums running on nutrient rich aquasoil, where adding more nitrogen or phosphorus would only feed algae instead of plants. What Makes APT 1 Different APT 1 shares the same balanced mineral base as APT 3, 2HR