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norskfisk

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norskfisk last won the day on January 22

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    Jon Olav
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  1. Styresystemet heter FRM03 og er en 12V programmerbar timer modul med tre releer som man kan kjøpe for nesten ingen ting på Aliexpress. Man programmerer med knapper og display på selve kortet. I tillegg er det en 12V transformator og en kraftig doseringspumpe som er laget for væsker med små partikler. Også fra Aliexpress.
  2. God ide med kjøleskapet. Tror det er den beste løsningen for kjøling. Min plan var å ha en beholder med vann som alltid var full og hadde et sikkerhetsoverrenn tilbake til akvariet. Og en kraftig doseringspumpe som pumpet vann begge veier. Først til akvariet for foring, og så tilbake til beholderen for å toppe opp med vann. Så en stor propell som gikk sakte i 5 sekunder før hver foring. Dermed ville det ikke sitte mat i slangen (mat klistrer seg fast i tynne slanger), maten ville ikke bli skadet av stadig omrøring. Og alt jeg behøvde å gjøre daglig var å ha i et par kuber med frossenfor.
  3. Det beste ville være å alltid ha litt for i vannet. Jeg planla en automatisk frossenformaskin. Den ble dessverre veldig avansert med innebygget kjøleanlegg, omrøringspropell, doseringspumpe samt datamaskin for å styre hele greien.
  4. Det er flere dvergrekearter å velge mellom. Kan også være thoralus cranchii eller eualus pusiolus.
  5. Hei folkens, Vi kjøpte nytt hus og flyttet like etter den siste videoen jeg la ut i fjor, så jeg måtte ta ned akvariet som jeg startet i mars i fjor . Etter det har det vært beinhardt arbeid både på jobb og hjemme for å flytte inn med familien. Er sikker på jeg skrudde 1 million Ikea-skruer i 2020. Men nå begynner det å se lysere ut! Skal sette opp igjen samme akvariet i stuen i det nye huset. Har laget en lydisolert boks til kjøleanlegget! Forresten, nytt kjøleanlegg, DD DC-750. Kan aldri ha for mange kjøleanlegg .
  6. They are copepods, yes. These are probably in the order harpacticoida. They ate micro algae growing on the glass in my algae refugiums.
  7. Hey, the algae are Swedish! Bought on Biltema and Clas Ohlson!
  8. Water gas and other gasses pass through anything with solvent (even water) in it while it dried. You can glue the glass in place with silicone, but use this as a sealant outside: Solvent free windscreen sealant I have actually tested this over several years and seen that it works.
  9. That aquarium is very inspirational! Before I saw it I had been thinking about the same thing only with the back flow going behind a vertical wall. But before I set up something like that I want to experiment with an ordinary aquarium where the flow goes one way in the middle of the aquarium, and back along both sides. I really don't know what works so I just need to make a test setup and experiment with it.
  10. Hi folks! The eggs look like Purpursnäcka (Nucella lapillus). It is called "dog whelk" in english: Dog whelk eggs google search Sorry for the lack of posts. I don't have time/space for aquariums for the time being. So there won't be any new ones soon. Algae aquariums are difficult. You need correct flow, correct temperature cycle through the year, correct light cycle through the year and nutrients. Flow is the most difficult. Large algae are made to live in the waves and move constantly with the waves. My dream for the coming year is to buy some new expensiv
  11. Sorry, but the large test aquarium started leaking a few weeks ago. It was a very old aquarium. So I just had to shut the whole test setup down. So now I don't have any aquariums. Unfortunately I think it will be some time before I have time and space to set up a new aquarium. I don't lack money for a modest system, but we have such a small apartment and work + home projects + small kid takes absolutely all time, and more. But I will definitely use that sort of phytoplankton setup in the future. I found that I didn't even need to use nutrients as long as I was feeding the main aquarium well. A
  12. About sealing double glass: Silicone and anything else you can buy in wet form lets through water vapor. I tried to buy this: Orgavyl butyl sealant It seems to keep out water vapor well. I have tested it on a glass jar outside for more than a year. The glass jar has silica desiccant in it and a hygrometer. The moisture level inside is still 10%. I also tried MS polymer in wet form on another jar. But that went up to 35% quickly and then 50% after a few months. The same bad result with wet butyl paste from Biltema.
  13. Slanten, I have lost sleep and pulled hair over refrigeration questions before, so it wouldn't be any new :-p. Mikoto, actually, if the refrigerant gets too cold in the "hot" part of the circuit the chiller keeps running almost without cooling. The reason is purely technical: There is a so called "metering device" that regulates flow of refrigerant from the hot to the cold side. A high pressure is needed on the hot side to push refrigerant through it. When the temperature gets too low, the pressure also gets low and almost no refrigerant gets through and the chiller doesn't chill.
  14. Hi Slanten, I have been twisting my brain around this for many days! I have been curious about this myself. It is a difficult question. The thing that is complicated is: What happens when the temperature goes down to -20C? First, the actual refrigeration, disregarding technical issues with the compressor. After much thinking I came to the conclusion that if the temperature gets low enough then the chiller would probably still work, but at a very reduced effect. That is, if the oil and electric system could handle it. The thing that is really problematic is the compressor oil. It is
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