Additives & Supplements

General additives and supplements that promote water quality and the health of fish, corals and plants.

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  • Seachem Flourish Excel 500mL

    Seachem Flourish Excel 500mL

    Seachem Flourish Excel 500mL

    $11.83
    Sale price  $11.83 Regular price  $19.00
  • Seachem Flourish Potassium 4L

    Seachem Flourish Potassium 4L

    Seachem Flourish Potassium 4L

    $73.53
    Sale price  $73.53 Regular price 
  • Seachem Flourish Excel 250mL

    Seachem Flourish Excel 250mL

    Seachem Flourish Excel 250mL

    $7.42
    Sale price  $7.42 Regular price  $14.00
  • Seachem Flourish Potassium 500mL

    Seachem Flourish Potassium 500mL

    Seachem Flourish Potassium 500mL

    $11.83
    Sale price  $11.83 Regular price  $12.99
  • Seachem Flourish Iron 500mL

    Seachem Flourish Iron 500mL

    Seachem Flourish Iron 500mL

    $11.83
    Sale price  $11.83 Regular price  $17.99
  • Seachem Equilibrium 4kg

    Seachem Equilibrium 4kg

    Seachem Equilibrium 4kg

    $77.64
    Sale price  $77.64 Regular price 
  • Seachem Equilibrium 600g

    Seachem Equilibrium 600g

    Seachem Equilibrium 600g

    $13.75
    Sale price  $13.75 Regular price  $22.99
  • Seachem Prime 250mL

    Seachem Prime 250mL

    Seachem Prime 250mL

    $9.84
    Sale price  $9.84 Regular price  $16.99
  • Seachem Flourish Excel 4L

    Seachem Flourish Excel 4L

    Seachem Flourish Excel 4L

    $75.01
    Sale price  $75.01 Regular price  $91.99
  • Seachem Flourish Excel 100mL

    Seachem Flourish Excel 100mL

    Seachem Flourish Excel 100mL

    $5.99
    Sale price  $5.99 Regular price  $9.00
  • Seachem Prime 50mL

    Seachem Prime 50mL

    Seachem Prime 50mL

    $4.99
    Sale price  $4.99 Regular price 
  • Seachem Prime Bonus Bottle 325mL

    Seachem Prime Bonus Bottle 325mL

    Seachem Prime Bonus Bottle 325mL

    $9.84
    Sale price  $9.84 Regular price  $16.99
  • Seachem Equilibrium 300g

    Seachem Equilibrium 300g

    Seachem Equilibrium 300g

    $7.94
    Sale price  $7.94 Regular price  $14.95
  • Seachem Prime 100mL

    Seachem Prime 100mL

    Seachem Prime 100mL

    $5.99
    Sale price  $5.99 Regular price  $9.00
  • Seachem Prime 2L

    Seachem Prime 2L

    Seachem Prime 2L

    $58.61
    Sale price  $58.61 Regular price  $67.99
  • Seachem Prime 4L

    Seachem Prime 4L

    Seachem Prime 4L

    $100.04
    Sale price  $100.04 Regular price  $121.99
  • Seachem Prime 1L

    Seachem Prime 1L

    Seachem Prime 1L

    $35.49
    Sale price  $35.49 Regular price  $51.99
  • Seachem Betta Basics 250mL

    Seachem Betta Basics 250mL

    Seachem Betta Basics 250mL

    $7.50
    Sale price  $7.50 Regular price  $12.99
  • Seachem Reef Kalkwasser 250g

    Seachem Reef Kalkwasser 250g

    Seachem Reef Kalkwasser 250g

    $12.69
    Sale price  $12.69 Regular price  $17.99
  • Seachem Reef Kalkwasser 1kg

    Seachem Reef Kalkwasser 1kg

    Seachem Reef Kalkwasser 1kg

    $28.65
    Sale price  $28.65 Regular price  $34.99
  • Seachem Betta Basics 60mL

    Seachem Betta Basics 60mL

    Seachem Betta Basics 60mL

    $4.19
    Sale price  $4.19 Regular price  $5.99
  • Seachem Reef Strontium 500mL

    Seachem Reef Strontium 500mL

    Seachem Reef Strontium 500mL

    $11.55
    Sale price  $11.55 Regular price  $16.99
  • Seachem Reef Kalkwasser 500g

    Seachem Reef Kalkwasser 500g

    Seachem Reef Kalkwasser 500g

    $15.94
    Sale price  $15.94 Regular price  $24.99
  • Seachem Safe 250g

    Seachem Safe 250g

    Seachem Safe 250g

    $12.73
    Sale price  $12.73 Regular price  $17.99