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Sea-Lab Marine Aquarium Products Automatic Replenisher Block #28 24 Count 2-lb

Sea-Lab Marine Aquarium Products Automatic Replenisher Block #28 24 Count 2-lb

By Sea-Lab

Front of Sea-Lab Marine Aquarium Products Automatic Replenisher Block #28 24 Count 2-lb
Features of Sea-Lab Marine Aquarium Products Automatic Replenisher Block #28 24 Count 2-lb
Benefits of Sea-Lab Marine Aquarium Products Automatic Replenisher Block #28 24 Count 2-lb
Product of Sea-Lab Marine Aquarium Products Automatic Replenisher Block #28 24 Count 2-lb
Front of Sea-Lab Marine Aquarium Products Automatic Replenisher Block #28 24 Count 2-lb
Features of Sea-Lab Marine Aquarium Products Automatic Replenisher Block #28 24 Count 2-lb
Benefits of Sea-Lab Marine Aquarium Products Automatic Replenisher Block #28 24 Count 2-lb
Product of Sea-Lab Marine Aquarium Products Automatic Replenisher Block #28 24 Count 2-lb

Sea-Lab Marine Aquarium Products Automatic Replenisher Block #28 24 Count 2-lb

Sea-Lab Marine Aquarium Products Automatic Replenisher Block #28 24 Count 2-lb

By Sea-Lab

Product Highlights

  • Maintains calcium & 15 essential trace elements
  • Buffered formula keeps water safe & balanced
  • Replenishes elements automatically—no dosing
  • Perfect for marine tanks with fish & corals
  • Easy “drop and forget” use with moderate flow
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$33.96
$33.96
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Description

Keep your marine aquarium balanced and thriving with a simple, hands-off solution for replenishing vital elements. Designed for larger tanks, Sea-Lab Marine Aquarium Products Automatic Replenisher Block #28 24ct 2lbs provides a steady release of calcium, strontium, and all 15 essential trace elements to maintain natural ocean concentrations. This unique formula automatically delivers the exact amounts needed as elements are depleted, eliminating the risk of overdosing or deficiency. Sea-Lab Marine Aquarium Products are trusted by aquarists worldwide for maintaining optimal water chemistry in saltwater environments. For smaller setups, small fish tank filters offer efficient mechanical and biological filtration to keep water clean and fish healthy.

KEY BENEFITS

  • Maintains natural ocean levels of calcium, strontium, and 15 trace elements
  • Fully buffered formula prevents toxic overload and maintains safe concentrations.
  • Automatically replenishes elements as they are depleted, no precise dosing required
  • Ideal for large marine tanks with fish, corals, and invertebrates
  • Simple “drop and forget” design—place the block where moderate water flow is present
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INGREDIENTS ANALYSIS 

Ingredients:

A balanced mixture of naturally occurring marine buffer compounds, calcium, strontium, and essential trace elements.

Guaranteed Analysis:(Sea-Lab Concentrations, ppm)

Element Amount
Calcium 400
Strontium 8
Boron 4.6
Fluorine 0.3
Iodine 0.06
Iron 0.01
Molybdenum 0.01
Aluminum 0.01
Zinc 0.014
Selenium 0.004
Copper 0.003
Nickel 0.002
Manganese 0.002
Tin 0.002
Vanadium 0.002
Chromium 0.00005
Cobalt 0.0005

Attributes & Specifications

Item Type

Automatic replenisher block

Form

Solid block

Use

Maintains calcium, strontium, and trace elements in marine aquariums

Recommended For

Large marine aquariums with fish, corals, and invertebrates

Placement

Anywhere with a moderate water current

safety & precautions

  • For marine aquarium use only.
  • Keep out of reach of children and pets.
  • Avoid placing the block directly on delicate corals or live rock.
  • Store unused blocks in a cool, dry location.

DIRECTIONS FOR USE

  • Place the block in a location of the aquarium where there is moderate water flow.
  • Allow it to dissolve naturally as it releases essential elements into the water.
  • When the block is mostly dissolved, simply replace it with a similar amount.
  • No need for precise dosing or daily measurements.

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Frequently Asked Questions

How long does one Sea-Lab Block #28 24ct 2lbs last?+

Do I need to measure calcium or trace element levels while using this product?+

Is this safe for reef tanks with sensitive corals? +

Where should I place the Sea-Lab Marine Aquarium Products Automatic Replenisher Block #28 24ct 2lbs in my aquarium?+

Can I use multiple blocks at once?+