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Cultureware

Zooplankton Harvesting Tool

$25.00 USD
Size
  • Demand is high right now and every unit is built to order, so orders are dispatching in 1 to 3 days.
  • Tracked delivery, packed the way glass should be packed.
  • Warranty backed, with spare parts kept on the shelf.
  • Free Launchpad guide with every reactor. No signup.

About this one

This harvesting tool is stackable, allowing for multi-stage filtration, and the mesh is replaceable by removing the inner lock.

  • 100 micron will extract adults from detritus
  • 38 micron will extract juveniles and adults but capture some detritus
  • 25 micron will extract nauplii and rotifers but capture lots of detritus and/or drain slowly

It is good practice to harvest only the adults when it comes to copepods. Leaving the nauplii and juveniles behind keeps reproduction running at maximum, since reproductive output declines as adults age.

The screen is replaceable: our nylon micron mesh circles are laser cut at 130 mm to fit, in every grade the tool comes in.

How a harvest runs

Each grade keeps what it is meant to

Hole size is the whole decision. Run one grade on its own, or nest them coarse over fine and let a single pour do the sorting for you. The mesh is the part that wears, and it is the part you can replace: take the inner lock ring out and the screen lifts with it.

  1. In

    Everything the culture is holding

    Culture water carries every life stage at once, along with the detritus and shed cases that come with a working culture.

    • Adults
    • Juveniles
    • Nauplii
    • Rotifers
    • Detritus
  2. 150 micron

    Big debris out of the way

    The coarsest we cut, and the fastest to drain. Sit it on top of a stack to take the large debris out first and let everything you are actually after carry on to the grade below.

    • Debris
  3. 100 micron

    Adults stay, detritus goes

    The all rounder. It holds adult copepods and lets the detritus straight through, which is the harvest most people want most of the time.

    • Adults
  4. 38 micron

    Juveniles and adults together

    The middle ground, and the one to reach for when you want a mixed harvest. Some detritus comes along for the ride.

    • Juveniles
    • Adults
  5. 25 micron

    Nauplii and rotifers

    The finest we cut. It catches almost everything, so expect it to drain slowly and to hold a fair bit of detritus with the catch.

    • Nauplii
    • Rotifers
  6. Out

    Water back to the culture

    What drains through is the culture water itself, ready to go back in or to meet the next grade down.

    • Sorted

Harvest the adults and leave the rest behind. Reproductive output falls away as adults age, so a culture you keep taking the big ones out of stays productive far longer than one you strip.