90-gallon getting back into the hobby tank...

Entropy

Texas Reefer
Premium Member
Well, I have to start somewhere, so here is the first pic. I am guessing this tank setup will take about the same time it took the build the great barrier reef, but hopefully I can go a bit faster than that.

10-27-2025-02.jpg
 
I like the overflow in the middle. My 90 had it off to one side which made a number of things more difficult, including waterflow dead spots. Good luck!
 
Go to Home Depot. Buy a gallon of Muriatic acid. Put 3-4 inches of water in the tank and add a cup of the acid. Get a bottle brush and dip it in the water and spread it over the glass and then scrub it a bit. Every bit of that white stuff will dissolve.
Pour it down the drain or neutralize it with baking soda or let it sit for 2-3 days and it will dissipate. You can smell when it is gone.
If you get some on you it will burn a bit but just run water over your skin or wear some gloves. Now that I have old thin skin it hurts more. It never even burned when I was younger. Aging sucks big time.

Muriatic acid is dilute hydrochloric acid. It will work much faster since it a strong acid as opposed to vinegar or citric acid.
Strong acids are those that completely dissociate into their ions when dissolved in water, meaning virtually 100% of the acid molecules ionize to produce hydrogen ions (H⁺, typically as hydronium ions, H₃O⁺) and their corresponding anions.

Use new bulkheads. The gaskets get hard and don't seal good on older ones.
 
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Going to HD today to get material for the stand, so I added it to the list, thanks!

Going slow, obviously, but there is so much I have to figure out. The list is pretty long.

Build Stand and Canopy
RO unit
Salt
Bulkheads
Powerheads
Return pump(s)
Light(s)
Sump
Plumbing (return lines, drains, etc.)
Rock
Sand
Starboard or Eggcrate
Heater(s)
Controller
Refractometer or salinity meter
Test kits
Filter Sock(s)
Magfloat(s)

And I have to figure out what to choose on all of those... Yay me!
 
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