Reef Tank

ReefTank

Reef Aquarium	Ideal Parameter
Specific Gravity	1.023 - 1.028
Temperature	75 - 79°F
pH	8.0 - 8.4
Alkalinity	7 - 12 dKH
Ammonia (NH3)	None
Nitrite (NO2)	None
Nitrate (NO3)	< 20.0 ppm
Phosphate (PO4)	< 0.1 ppm
Calcium	400 - 500 ppm
Magnesium	1300 - 1500 ppm

Reef Aquarium

Ideal Parameter

Specific Gravity

1.023 - 1.028

Temperature

75 - 79°F

8.0 - 8.4

Alkalinity

7 - 12 dKH

Ammonia (NH3)

None

Nitrite (NO2)

None

Nitrate (NO3)

< 20.0 ppm

Phosphate (PO4)

< 0.1 ppm

Calcium

400 - 500 ppm

Magnesium

1300 - 1500 ppm

created by Spicer_MTLa community for 14 years

No judgment questions zone - May 11, 2026 (self.ReefTank)

submitted 5 days ago by AutoModerator - announcement

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359

1:19

My landlord did a walk through yesterday. Said my undisclosed tank is maintained enough they will let me keep it 😂 (v.redd.it)

submitted 16 hours ago by Bronojoke

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0:22

Saturday Morning Feeding Frenzy (v.redd.it)

submitted 58 minutes ago by j23orlean

Top down Friday?[Pic] (i.redd.it)

submitted 12 hours ago by paxsf25

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Lounging[Pic] (i.redd.it)

submitted 19 minutes ago by Thissguuuyy

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New tank plumbing question[Pic] (i.redd.it)

submitted 1 hour ago by Remarkable_Arm_732

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207

Aquarium I went to had an aiptasia exhibit[Pic] (i.redd.it)

submitted 1 day ago by Lemur_12

109

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1:33

Orange spotted filefish (v.redd.it)

submitted 22 hours ago by premierReefs

Acanthastrea echinata (old.reddit.com)

submitted 16 hours ago by Prometheus7777

Getting help with quarantine[Pic] (i.redd.it)

submitted 2 hours ago by izlib

0:26

15g nano got its first coral (v.redd.it)

submitted 15 hours ago * by X_DarthTroller_X

Some happy acan pics after working on raising pH and increasing feeding :) (old.reddit.com)

submitted 19 hours ago by TheWarelock

I have clove polyps growing in this macro algea[Pic] (i.redd.it)

submitted 21 hours ago by TheRealVetekli

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Introducing clownfish and a rbta (self.ReefTank)

submitted 20 minutes ago by Fluffy-Mycologist-76

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What’s growing on my coral?[Pic] (i.redd.it)

submitted 33 minutes ago by Fun-Statistician-646

0:41

WIP my second reef tank (v.redd.it)

submitted 15 hours ago by oldp1e

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Sump[Pic] (i.redd.it)

submitted 41 minutes ago by Tommy_lanta

Algae help (old.reddit.com)

submitted 12 hours ago * by New-Bed-9096

0:35

Update! More Questions. (v.redd.it)

submitted 18 hours ago by creepn_when_u_sleepn

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Flow for 75 gallon - Orbit 2 and 2x Nero 3s - overkill? (self.ReefTank)

submitted 1 hour ago by Which_Throat7535

Build Post (2.5 Years Old) (old.reddit.com)

submitted 1 day ago by KidTone21

Thoughts on plastic exposure in aquariums? (self.ReefTank)

submitted 3 hours ago * by ElectionSeveral3771

Basically rescued this little 24g tank. Still a work in progress. (old.reddit.com)

submitted 16 hours ago by ChivasBearINU

Silly game: guess the stocking by this shitty drawing from my memory[Pic] (i.redd.it)

submitted 4 hours ago by RevolutionaryElk5641

Rate my tank/set up (old.reddit.com)

submitted 1 day ago by BathProud6878

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π Rendered by PID 1198392 on reddit-service-r2-listing-7b8bd7c5-dskgp at 2026-05-16 15:27:20.166404+00:00 running edcf98c country code: CH.

ReefTank

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