Saltwater Additives

Trace elements, buffers and supplements designed to keep saltwater and reef tanks in balance.

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  • 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 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 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
  • Seachem Safe 4kg

    Seachem Safe 4kg

    Seachem Safe 4kg

    $127.45
    Sale price  $127.45 Regular price  $155.99
  • Seachem Reef Kalkwasser 2kg

    Seachem Reef Kalkwasser 2kg

    Seachem Reef Kalkwasser 2kg

    $48.67
    Sale price  $48.67 Regular price 
  • Seachem Reef Strontium 250mL

    Seachem Reef Strontium 250mL

    Seachem Reef Strontium 250mL

    $7.52
    Sale price  $7.52 Regular price  $8.99
  • Seachem Safe 50g

    Seachem Safe 50g

    Seachem Safe 50g

    $6.99
    Sale price  $6.99 Regular price  $12.00
  • Seachem Reef Builder 1.2kg

    Seachem Reef Builder 1.2kg

    Seachem Reef Builder 1.2kg

    $23.62
    Sale price  $23.62 Regular price  $29.99
  • Seachem Safe 1kg

    Seachem Safe 1kg

    Seachem Safe 1kg

    $38.27
    Sale price  $38.27 Regular price  $44.99
  • Seachem Reef Builder 4kg

    Seachem Reef Builder 4kg

    Seachem Reef Builder 4kg

    $74.71
    Sale price  $74.71 Regular price  $79.99
  • Seachem Reef Calcium 250mL

    Seachem Reef Calcium 250mL

    Seachem Reef Calcium 250mL

    $7.52
    Sale price  $7.52 Regular price  $8.99
  • Seachem Marine Buffer 1kg

    Seachem Marine Buffer 1kg

    Seachem Marine Buffer 1kg

    $23.62
    Sale price  $23.62 Regular price  $38.99
  • Seachem Reef Builder 300g

    Seachem Reef Builder 300g

    Seachem Reef Builder 300g

    $7.63
    Sale price  $7.63 Regular price  $11.00
  • Seachem Marine Buffer 500g

    Seachem Marine Buffer 500g

    Seachem Marine Buffer 500g

    $13.01
    Sale price  $13.01 Regular price  $19.99
  • Seachem Reef Builder 600g

    Seachem Reef Builder 600g

    Seachem Reef Builder 600g

    $13.01
    Sale price  $13.01 Regular price  $19.99
  • Seachem Marine Buffer 4kg

    Seachem Marine Buffer 4kg

    Seachem Marine Buffer 4kg

    $74.99
    Sale price  $74.99 Regular price 
  • Seachem Marine Buffer 20kg

    Seachem Marine Buffer 20kg

    Seachem Marine Buffer 20kg

    $287.65
    Sale price  $287.65 Regular price  $351.99
  • Seachem Reef Calcium 2L

    Seachem Reef Calcium 2L

    Seachem Reef Calcium 2L

    $41.41
    Sale price  $41.41 Regular price 
  • Seachem Reef Complete 2L

    Seachem Reef Complete 2L

    Seachem Reef Complete 2L

    $41.41
    Sale price  $41.41 Regular price 
  • Seachem Reef Calcium 500mL

    Seachem Reef Calcium 500mL

    Seachem Reef Calcium 500mL

    $11.55
    Sale price  $11.55 Regular price  $16.99