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20 gallon Hex

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  • #696

    What kind, brand and size filter would you recommend for a 20 gallon hex aquarium just for seahorses with about 20lbs of live rock and a 1 inch fine black sandbed with a few types of macro algeas in it. Also what macro algeas would you recommend. Thanks:P

    #2169
    Leslie
    Guest

    You are limited in your choices due to the size and shape of your tank. I like the Liberty power filters alot. I believe only the smaller of the 2, the Liberty 100, will fit on a 20g hex.

    HTH,

    Leslie

    #2170
    Pete Giwojna
    Guest

    Dear Steve:
    .
    For live hitching posts, I prefer decorative marine plants or macroalgae in a variety of shapes and colors and color — reds, browns, golds, and yellows in addition to green varieties, some tall and feathery, some short and bushy — to provide natural hitching posts and shelter for my seahorses. I like to start with a mixture of red and gold Gracilaria (Ogo) and artfully arrange them around a lush bed of assorted bright green Caulerpa. Any of the plumed (feathery) or long-bladed Caulerpa would be ideal for this, such as Caulerpa sertularioides, C. mexicana, C. ashmedii, C. serrulata or C. prolifera. The result is a colorful macroalgae garden with a very nice contrast of colors (reds, yellows, greens, and brown) and interesting shapes. A tank heavily planted with macros such as these is a lovely sight and mimics the seahorses’ natural seagrass habitat well.

    As an added benefit, the macroalgae act as an excellent form of natural filtration, reducing the available levels of phosphates and nitrites/nitrates. Be sure to prune and trim back the fast-growing Caulerpa regularly; when you remove the clippings, you’re exporting phosphates, nitrates and other nutrients from the tank, thereby helping to maintain good water quality, and pruning the runners helps keep it from going sexual.

    When pruning or trimming back macroalgae, take care not to actually cut it. Remember, you’re not pruning hedges or trimming trees — the idea is to carefully pull up and remove continuous, unbroken fronds. Simply thin out the colony of excess strands, gently plucking up convenient fronds that can be readily removed intact. A little breakage is fine, but cutting or breaking too many strands will result in leaching undesirable substances into the aquarium water as the Caulerpa’s lifeblood drains away. Too much cutting or breaking can thus sap the colony’s strength and cause die offs or trigger the dreaded vegetative events that judicious pruning otherwise prevents.

    Aside from red and brown Gracilaria and the prolific Caulerpa, some members of the group also like the Chaetomorpha macroalgae from http://www.floridapets/. They describe it as looking like the clumps of the colorful plastic grass we use to fill Easter baskets. They like it because it is slow growing and doesn’t require the kind of pruning that Caulerpa needs, and because it it comes loaded with microfauna: miniature feather dusters, copepods and amphipods, tiny snails and micro stars. Sounds like another interesting marine plant that can add some extra variety to a lush bed of macroalgae.

    Best of luck with your new seahorse setup, Steve!

    Happy Trails!
    Pete Giwojna

    #2171
    Pete Giwojna
    Guest

    Dear Steve:
    .
    For live hitching posts, I prefer decorative marine plants or macroalgae in a variety of shapes and colors and color — reds, browns, golds, and yellows in addition to green varieties, some tall and feathery, some short and bushy — to provide natural hitching posts and shelter for my seahorses. I like to start with a mixture of red and gold Gracilaria (Ogo) and artfully arrange them around a lush bed of assorted bright green Caulerpa. Any of the plumed (feathery) or long-bladed Caulerpa would be ideal for this, such as Caulerpa sertularioides, C. mexicana, C. ashmedii, C. serrulata or C. prolifera. The result is a colorful macroalgae garden with a very nice contrast of colors (reds, yellows, greens, and brown) and interesting shapes. A tank heavily planted with macros such as these is a lovely sight and mimics the seahorses’ natural seagrass habitat well.

    As an added benefit, the macroalgae act as an excellent form of natural filtration, reducing the available levels of phosphates and nitrites/nitrates. Be sure to prune and trim back the fast-growing Caulerpa regularly; when you remove the clippings, you’re exporting phosphates, nitrates and other nutrients from the tank, thereby helping to maintain good water quality, and pruning the runners helps keep it from going sexual.

    When pruning or trimming back macroalgae, take care not to actually cut it. Remember, you’re not pruning hedges or trimming trees — the idea is to carefully pull up and remove continuous, unbroken fronds. Simply thin out the colony of excess strands, gently plucking up convenient fronds that can be readily removed intact. A little breakage is fine, but cutting or breaking too many strands will result in leaching undesirable substances into the aquarium water as the Caulerpa’s lifeblood drains away. Too much cutting or breaking can thus sap the colony’s strength and cause die offs or trigger the dreaded vegetative events that judicious pruning otherwise prevents.

    Aside from red and brown Gracilaria and the prolific Caulerpa, some members of the group also like the Chaetomorpha macroalgae from http://www.floridapets/. They describe it as looking like the clumps of the colorful plastic grass we use to fill Easter baskets. They like it because it is slow growing and doesn’t require the kind of pruning that Caulerpa needs, and because it it comes loaded with microfauna: miniature feather dusters, copepods and amphipods, tiny snails and micro stars. Sounds like another interesting marine plant that can add some extra variety to a lush bed of macroalgae.

    Best of luck with your new seahorse setup, Steve!

    Happy Trails!
    Pete Giwojna

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