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Welcome to R2R!!! Initially, you will not need a skimmer, but you can look into getting one down the road if water changes don't keep you N03 and P04 in check. As far as beginner corals, it all depends on what you are looking to get in general. Softies and LPS are good beginner corals. They are a little more forgiving than SPS corals.
P04 is phosphate, N03 in Nitrates. To test phosphates you can get a phosphate tst kit or a hanna ULN tester. Ask all the questions you like.H
Ok thanks, sorry I’m still doing research on it but what’s P04 how do I test?
Thanks! How often would I need to do a water change for a 55gallon tank?P04 is phosphate, N03 in Nitrates. To test phosphates you can get a phosphate tst kit or a hanna ULN tester. Ask all the questions you like.
10% weekly or 20% biweekly. biweekly will work until your bio-load increases.Thanks! How often would I need to do a water change for a 55gallon tank?
Why is that? Season?Frogspawns and hammers are super fun beginners, they're a bit expensive right now though

Thanks! Is it true you have to do water changes for anything under 40gallons?welcome to the show.
green star polyps. grow like weeds, literally. need to be on their on rock but look nice with a current rolling through them.
cabbage leather is a good grower.
grande palys easy (toxic so do your homework on handling precautions).
I'm in the algae scrubber/no skimmer camp.
my tank has been up since 06-2017. was doing bi-weekly water changes. stopped doing water changes in 12-2019.
you can find a lot of great advice here. just know there are multiple ways to be successful.
happy reefing.
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someone else would have to advise you on that.Thanks! Is it true you have to do water changes for anything under 40gallons?
)Carbon should be changed every 2-3 weeks. Bioballs never need changing. maybe a quick blast of water to blow off some debrisHow often would I need to change the carbon for the filter? And the bio balls?
Why is that? Season?
Don’t need a skimmer... maybe everHi, I’m building a 55gallon reef tank and was wondering what beginner corals would Be good? Without skimmer or will I need one? Thanks!

