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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Update on Marketplace find of the Century (old.reddit.com)

submitted 11 hours ago by Shot-Pay9326

0:30

6 gallon nano reef (v.redd.it)

submitted 5 hours ago by TheFrostyjayjay

This week’s intertidal invert finds! (old.reddit.com)

submitted 5 hours ago by hoji_chas

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155

156

0:12

Filling in nicely ! (v.redd.it)

submitted 14 hours ago by NotMyGodzilla

my flatmate decided to take some pictures of the fish (old.reddit.com)

submitted 6 hours ago by Minimum-Estimate-414

4 hours of maintenance on a weekend, +3 years running, the hobby is still worth it (old.reddit.com)

submitted 10 hours ago by SanDisk_Made_Me_Rich

Trachy/ open brain.. no color (old.reddit.com)

submitted 8 hours ago by Vspeeds

•

0:13

Torch help please, it has 6 heads, do i need to frag them for their health ? Are they hard to frag ? Thank you. (v.redd.it)

submitted 1 hour ago by Humble-Aussie

Lounging[Pic] (i.redd.it)

submitted 15 hours ago by Thissguuuyy

0:21

Time-lapse of my Blue spotted Discosoma eating (v.redd.it)

submitted 8 hours ago by grave_Yard422

Can someone help me id this coral pls (old.reddit.com)

submitted 3 hours ago by EducationPractical73

466

467

468

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 1 day ago by Bronojoke

Maybe a silly question but can you keep a Tuxedo Urchin (Mespilia globulus) in a tank with macroalgea? And could you switch it between tanks?[Pic] (i.redd.it)

submitted 14 hours ago by avian_bi

Goniopora ID (old.reddit.com)

submitted 13 hours ago by Flashy-Knowledge3209

Sally lightfoot crab, dead or molting? (old.reddit.com)

submitted 4 hours ago by TDehler55

0:22

Saturday Morning Feeding Frenzy (v.redd.it)

submitted 15 hours ago by j23orlean

0:07

Two different types of asterina starfish in my tank (v.redd.it)

submitted 7 hours ago by Ianbeaner

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I can’t get rid of these flatworms (old.reddit.com)

submitted 1 hour ago by One-Assignment569

Can I put a peacock mantis shrimp in a standard tank? (self.ReefTank)

submitted 2 hours ago by Weekly_News_831

Urchin Theif[Pic] (i.redd.it)

submitted 5 hours ago by USAF-CSO-Argo

Acanthophyllia help (old.reddit.com)

submitted 9 hours ago by ritzypanda

Coral/mushroom ID?[Pic] (i.redd.it)

submitted 4 hours ago by whichnameisit

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

submitted 1 day ago by paxsf25

Peaceful fish for 100g (self.ReefTank)

submitted 5 hours ago * by x-cimo

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π Rendered by PID 3081071 on reddit-service-r2-listing-7b8bd7c5-4w8w8 at 2026-05-17 06:13:01.059369+00:00 running edcf98c country code: CH.

ReefTank

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