SKU: 4993586853

Sera Marin Salt For 120L[Weight - 3.9kg]

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Description

Sera Marin Salt For 120L[Weight - 3.9kg]Marine salt for R O and tap water Thanks to its exceptional consistency and uniform grain size, sera marin salt dissolves swiftly and leaves no residues, resulting in crystal clear marine water. It helps to establish natural GH and KH levels, while being rich in calcium and magnesium in biologically suitable proportions. The pH value is kept stable and accurate, thanks to the natural buffering system found in sera marin salt. Through a unique process,

Marine salt for R/O and tap water

Thanks to its exceptional consistency and uniform grain size, sera marin salt dissolves swiftly and leaves no residues, resulting in crystal clear marine water. It helps to establish natural GH and KH levels, while being rich in calcium and magnesium in biologically suitable proportions. The pH value is kept stable and accurate, thanks to the natural buffering system found in sera marin salt.

Through a unique process, sera marin salt retains trace elements in a manner that keeps them consistently dissolved and available for extended periods. This salt does not include any substances that could artificially boost protein skimmer performance. Moreover, it is free from nitrates, silicates, and phosphates.

Sera (sea salt without nitrates, phosphates, and silicates) is rich in calcium and all essential trace elements required for successfully cultivating ornamental algae and lower resins in seawater. It contains a blend of special substances that aid in the removal of harmful elements such as heavy metals and copper. The salt dissolves rapidly and without leaving deposits. With its natural buffering capability, it ensures an optimal and stable pH level.

Instructions for use: Dissolve Sera marin salt (approximately 33 g per liter of water) to achieve a water density of 1.022 to 1.024 g/ml in a container using treated water (osmosis) or chlorine-free tap water. Aerate for 24 hours or thoroughly mix with a submersible pump to introduce oxygen and carbon dioxide.

Warning: Avoid dissolving sea salt directly in an active aquarium! We suggest replacing 5-10% of the aquarium water monthly and treating it with sera aquatan and sera bio reef clear to enhance water quality. When setting up a new aquarium, treat the water with Sera aquatan and Sera bio reef clear, and allow the aquarium, along with the connected equipment (pumps, heaters, filter...), to run for at least 14 days to ensure biological stabilization before adding any fish.

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SKU: 4993586853

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4.9 ★★★★★
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Prilo
Massapequa, US
★★★★★ 4
A great read
Format: Kindle
Great stories from the fifties that I did not know existed until I opened this book. I hope there are more stories to come.
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Reviewed in the United States on December 8, 2023
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Doctor Moss
San Leandro, US
★★★★★ 5
Just for Fun
You can't help, in reading these stories, remarking on how comics (and popular culture in general) reflect what we want on our minds and how we want to feel about ourselves. Superman today is intense. He fights apocalyptic battles, and he sometimes loses! There's a lot at stake -- everything, EVERYTHING, lies in the balance. Superman himself seems literaly beyond human. In order to live the life of challenges he faces, he must be beyond the concerns of everyday life -- he can't really share in the life that the rest of us live. Superman in the fifties lived in a much more comfortable, stable world, and his own life was much more continuous with ours. In these stories, he discovers that he is not alone -- his long last pal, Krypto, shows up, and he discovers his cousin, Supergirl. He has girlfriends -- Lana Lang and Lois Lane compete for his attention (without a lot of the psychological anxiety that Superman will face in the future over his inability to live a normal life and raise a normal family). The villains, like Lex Luthor, aren't even purely evil -- they have their limits. Bizarro is not evil at all, just . . . dumb and amusing so long as Superman can repair any damage he does. It's a little bit trivial to point out how comics reflect cultural reality, but . . . they do. It's fun to revisit the fifties here -- i suspect it's not so much an innocent age as one in which the story we told ourselves about ourselves (as in our Superman comics) was focused where we wanted it to be focused -- family, friends, the pleasures of everyday life. But, putting aside all the sociology and pretenses of cultural history, these stories are just fun to read. It's not the Superman we know now, it's just different, a change of pace, fun.
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Reviewed in the United States on September 28, 2013
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Francis Neal Cornett Jr
Grantham, US
★★★★★ 5
Fun Times
Format: Kindle
Best Collection from my youth. Although I was not born until 1957, my dad's first cousin was an avid DC Comics collector, and these 1950s stories were the bulk of my experience of Superman during my 1960s childhood. Contrast the fight against fellow survivors of Krypton in this volume with that in Man of Steel. Here are the primary colors, can-do spirit, and ultimately optimistic view of science and the future so fondly remembered by older fans. In the end, there is probably no reconciling the angry countercultural gloom and discontent of modern comics with these gems of the past, but if as I you are sick to death of the politically correct socialism, these are a much needed breath of fresh air.
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Reviewed in the United States on May 30, 2021
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william mont
San Leandro, US
★★★★★ 5
Superman stories from the fifties
Format: Paperback
A collection of Superman stories, I haven’t seen in decades. Wonderful.
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Reviewed in the United States on August 16, 2021
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Troy A. Garcia
Port Orchard, US
★★★★★ 5
Excellent superman action
Format: Paperback
Good stuff from end of the golden.age to silver age
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Reviewed in the United States on November 5, 2021

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