Additives & Supplements

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

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  • Seachem Reef Trace 250mL

    Seachem Reef Trace 250mL

    Seachem Reef Trace 250mL

    $7.77
    Sale price  $7.77 Regular price  $8.99
  • Seachem Reef Buffer 500g

    Seachem Reef Buffer 500g

    Seachem Reef Buffer 500g

    $13.01
    Sale price  $13.01 Regular price  $19.99
  • Seachem Reef Buffer 250g

    Seachem Reef Buffer 250g

    Seachem Reef Buffer 250g

    $7.63
    Sale price  $7.63 Regular price  $10.95
  • Seachem Reef Buffer 4kg

    Seachem Reef Buffer 4kg

    Seachem Reef Buffer 4kg

    $74.71
    Sale price  $74.71 Regular price 
  • Seachem Reef Buffer 1kg

    Seachem Reef Buffer 1kg

    Seachem Reef Buffer 1kg

    $23.62
    Sale price  $23.62 Regular price  $29.99
  • Seachem Reef Carbonate 4L

    Seachem Reef Carbonate 4L

    Seachem Reef Carbonate 4L

    $35.57
    Sale price  $35.57 Regular price  $38.99
  • Seachem Reef Carbonate 250mL

    Seachem Reef Carbonate 250mL

    Seachem Reef Carbonate 250mL

    $5.99
    Sale price  $5.99 Regular price 
  • Seachem Reef Carbonate 500mL

    Seachem Reef Carbonate 500mL

    Seachem Reef Carbonate 500mL

    $7.75
    Sale price  $7.75 Regular price  $12.99
  • Seachem Reef Carbonate 2L

    Seachem Reef Carbonate 2L

    Seachem Reef Carbonate 2L

    $21.00
    Sale price  $21.00 Regular price  $39.99
  • Seachem Reef Advantage Strontium 600g

    Seachem Reef Advantage Strontium 600g

    Seachem Reef Advantage Strontium 600g

    $10.54
    Sale price  $10.54 Regular price  $12.99
  • Seachem Focus 100g

    Seachem Focus 100g

    Seachem Focus 100g

    $115.58
    Sale price  $115.58 Regular price  $129.99
  • Seachem Focus 5g

    Seachem Focus 5g

    Seachem Focus 5g

    $8.14
    Sale price  $8.14 Regular price  $9.99
  • Seachem Reef Advantage Magnesium 1.2kg

    Seachem Reef Advantage Magnesium 1.2kg

    Seachem Reef Advantage Magnesium 1.2kg

    $14.46
    Sale price  $14.46 Regular price  $19.99
  • Seachem Flourish Nitrogen 250mL

    Seachem Flourish Nitrogen 250mL

    Seachem Flourish Nitrogen 250mL

    $7.42
    Sale price  $7.42 Regular price  $14.00
  • Seachem Reef Advantage Magnesium 4kg

    Seachem Reef Advantage Magnesium 4kg

    Seachem Reef Advantage Magnesium 4kg

    $47.25
    Sale price  $47.25 Regular price  $59.99
  • Seachem Reef Advantage Magnesium 300g

    Seachem Reef Advantage Magnesium 300g

    Seachem Reef Advantage Magnesium 300g

    $6.49
    Sale price  $6.49 Regular price  $8.99
  • Seachem Paraguard 250mL

    Seachem Paraguard 250mL

    Seachem Paraguard 250mL

    $9.85
    Sale price  $9.85 Regular price  $14.99
  • Seachem Flourish Nitrogen 2L

    Seachem Flourish Nitrogen 2L

    Seachem Flourish Nitrogen 2L

    $40.62
    Sale price  $40.62 Regular price  $52.00
  • Seachem Reef Advantage Magnesium 600g

    Seachem Reef Advantage Magnesium 600g

    Seachem Reef Advantage Magnesium 600g

    $10.54
    Sale price  $10.54 Regular price  $13.99
  • Seachem Flourish Nitrogen 500mL

    Seachem Flourish Nitrogen 500mL

    Seachem Flourish Nitrogen 500mL

    $11.83
    Sale price  $11.83 Regular price  $22.00
  • Seachem ParaGuard 4L

    Seachem ParaGuard 4L

    Seachem ParaGuard 4L

    $100.39
    Sale price  $100.39 Regular price  $122.99
  • Seachem Paraguard 500mL

    Seachem Paraguard 500mL

    Seachem Paraguard 500mL

    $15.18
    Sale price  $15.18 Regular price  $24.99
  • Seachem Cupramine 250mL

    Seachem Cupramine 250mL

    Seachem Cupramine 250mL

    $19.08
    Sale price  $19.08 Regular price  $30.00
  • Seachem Cupramine 500mL

    Seachem Cupramine 500mL

    Seachem Cupramine 500mL

    $36.63
    Sale price  $36.63 Regular price  $50.00