MACs Tanks LLC

MACs Tanks LLC Specializing in saltwater we can also suit any freshwater or pond needs you may have. I sell and service aquariums and equipment.

I have saltwater fish and coral for sale and will be expanding on freshwater livestock and aquatic plants. We also carry exotic and predatory plants. Our goal is to set up and/or maintain aquariums for people at an affordable price. We want people to have something that they can be proud of as well as to take the hassle out of having to worry about the health of their animals.

Live food, pellets and powder... Let us know if you need anything. While supplies last!
03/06/2025

Live food, pellets and powder... Let us know if you need anything. While supplies last!

3 simple things that can save your tank during a potential power outage! Battery operated bubbler, peel and stick body o...
02/19/2025

3 simple things that can save your tank during a potential power outage! Battery operated bubbler, peel and stick body or hand warmers, and a small splash of Prime or Amquel. (Annnnnnd don't forget the batteries!)

Specializing is saltwater and freshwater tank installation and maintenance, fish and coral sales as well. Over 20 years...
02/13/2025

Specializing is saltwater and freshwater tank installation and maintenance, fish and coral sales as well. Over 20 years experience and almost 10 in business. Send us a message to set up a free estimate. No tank too big or too small, just give us a call!

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Some different angles of Gregory Dewayne Dorsey amazing peninsula during service.
02/12/2025

Some different angles of Gregory Dewayne Dorsey amazing peninsula during service.

Coming along nicely! Can't wait to see and document how this build turns out. Getting it filled, and adding the live roc...
02/07/2025

Coming along nicely! Can't wait to see and document how this build turns out. Getting it filled, and adding the live rock. Large Triton sump and matching ATO reservoir.

Customer wanted a custom color and VinylTy came through! Thanks for the help getting the tank wrapped. Heavy duty film a...
02/06/2025

Customer wanted a custom color and VinylTy came through! Thanks for the help getting the tank wrapped. Heavy duty film applied so no need to worry about peeling or fading for years to come. It's gonna look great once the tanks all lit!

Acclimated, medicated and now time for everything to rest... Small order for the week
02/06/2025

Acclimated, medicated and now time for everything to rest... Small order for the week

One of the classics! You can never go wrong with the Utter Chaos zoanthid. Bright colors, hardy and a relatively fast gr...
02/03/2025

One of the classics! You can never go wrong with the Utter Chaos zoanthid. Bright colors, hardy and a relatively fast growing coral.

(No filter, taken under Kessil 360 Tuna Blues)

Career Day 2025 in the books at Boldt Elementary! Thank you to all the staff and students for having me for the 3rd year...
02/02/2025

Career Day 2025 in the books at Boldt Elementary! Thank you to all the staff and students for having me for the 3rd year in a row. Always a great time talking with the kids about what I do on a daily basis and teaching them about ocean life!

*SOLD*Trigger Systems 5 gallon ATO reservoir $50 cash OBO pickup only 78238
05/06/2024

*SOLD*
Trigger Systems 5 gallon ATO reservoir
$50 cash OBO
pickup only 78238

*SOLD*6 stage RODI $100 cash OBO Pickup only 78238
05/06/2024

*SOLD*
6 stage RODI
$100 cash OBO
Pickup only 78238

*SOLD*85 lbs dry Marco rock, $100 cash OBO. Pick up only NW side of town 78238 Largest piece measures almost a foot acro...
02/20/2024

*SOLD*

85 lbs dry Marco rock, $100 cash OBO. Pick up only NW side of town 78238

Largest piece measures almost a foot across, a couple shelf pieces

*SOLD*Large Freshwater decoration up for grabs. Never been in water, has an airline and airstone if you wanted to add bu...
02/20/2024

*SOLD*

Large Freshwater decoration up for grabs. Never been in water, has an airline and airstone if you wanted to add bubbles. Measures 27" across and 12" tall. $40 cash, pick up only NW side of town 78238

*PRICE LOWERED* Mopani wood pieces, never been in water. $10 for small, $15 for medium, $20 for large. Or all three $40!...
02/06/2024

*PRICE LOWERED*

Mopani wood pieces, never been in water. $10 for small, $15 for medium, $20 for large. Or all three $40! Cash only, pickup in Leon Valley area 78238

Never been in water, great for freshwater tanks and terrariums

02/03/2024

So I got attacked by a pack of tigers...

*SOLD/PENDING PICK UP* 203 pounds of mixed Marco rock some with flat edges, purple arches, and base rocks. Medium and LA...
02/03/2024

*SOLD/PENDING PICK UP* 203 pounds of mixed Marco rock some with flat edges, purple arches, and base rocks. Medium and LARGE pieces. Must take all, cash only $150 OBO

Tips for potential power outages! Always make sure to have good working air bubblers and plenty of batteries on hand. Ch...
01/14/2024

Tips for potential power outages!

Always make sure to have good working air bubblers and plenty of batteries on hand. Check that your heaters and temperature controllers are working correctly and have no cracks/compromised cords etc. The adhesive backed body (hand) warmers work well to trap heat in the tank from the outside panes of your aquarium. And as crazy as it may sound, cooking grade or Pyrex glass containers. Not only can you heat them, but if they have good sealing lids you can heat the water and submerge them in your tank to try and temporarily regulate tank temperatures. (I actually had one customer who would heat the tank water in his Pyrex bowl with a candle and it saved all 4 of his clownfish)

And just to try and relieve the stress and worry do yourself a favor and undo all canisters on your RODI unit and empty them. The membrane canisters can be tough to get open so one little trick is to just undo the tubing as to relieve pressure as the water will expand, if it has no where to go it will cause a crack or failure.

Remember it's not stupid if it works! Good luck everybody, I don't think this storm will be that harsh but its better to be prepared than to have a complete loss over something that could've easily been prevented with minimal effort.

Another successful career day at Herbert G. Boldt elementary school! Had a great time talking with the students about sa...
01/12/2024

Another successful career day at Herbert G. Boldt elementary school! Had a great time talking with the students about saltwater and freshwater tanks, fish and coral.

Address

San Antonio, TX
78251

Opening Hours

Monday 12pm - 7pm
Tuesday 12pm - 7pm
Wednesday 12pm - 7pm
Thursday 12pm - 7pm
Friday 12pm - 7pm
Saturday 10:30am - 7pm
Sunday 11:30am - 4:30pm

Telephone

+12103888777

Website

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