When I first started my saltwater aquarium journey in 2007 I prepared myself upfront for the initial cost of the tank, equipment and livestock. What I didn't prepare myself for financially was the ongoing costs of salt, necessary additives and buffers. Additives and chemicals are used in saltwater tanks for a number of purposes and purchasing products from your local or online pet store can quickly add up, especially for a large aquarium. In addition to writing on my saltwater blog I also write about personal finance topics on Gather Little by Little. I decided to apply some of my frugality tips to my saltwater hobby. If you're looking to save a little money in your own saltwater adventure, give the following frugal saltwater tips a try.
Buy used equipment
I'm a huge advocate of buying things used: from cars to computers to electronics and yes even aquariums and supplies. My current 75 gallon tank, stand and light fixture were purchased on Craig's List for $150.00. The tank has a few scratches, but since I was just starting out I didn't want to invest a great deal of money. My plan is to find a gently used 125 - 150 gallon soon and use my 75 gallon tank as a sump. What happens is that many people watch discovery channel or visit the local hobby shop and fall in love with saltwater and reef livestock. They in turn chunk down $500.00 or more to get started. After a few months they realize how difficult and time consuming the hobby can be and quickly give up. Trying to recoup some of their investment, they put the equipment up for sale or sometimes even give it away! Another reason used equipment is prevalent is due to hobbyists constantly upgrading their equipment. We get larger tanks or the new whiz-bang skimmer and then sell or giveaway our prior equipment that still works just fine.
Low cost water additives and supplements
One of the more expensive ongoing maintenance items are supplements. Reef aquariums require two main supplements: Calcium and Magnesium.
Calcium
Calcium is required for a number of the "critters" in your tank, snails, hermit crabs, shrimp, and most importantly corals. Maintaining a Calcium level of 450 - 500 is critical for proper water conditions and coral growth. The least expensive way to add Calcium to your tank is to use Calcium Chloride. If you know anyone in the concrete business, they generally will be able to get it for you. I got mine from a fellow reefer on the 3reef.com forums. If you are unable to find someone that can get it for you, you can purchase it from Bulk Reef Supply online. Calcium Chloride is dirt cheap and very pure thus only requiring a small amount to significantly increase your calcium levels.
Magnesium
Magnesium should be in the range of 1200 - 1300 ppm. It is important to maintain a level similar to this range because magnesium helps maintain higher levels of alkalinity and calcium. When Magnesium levels drop below this, so will your Calcium and alkalinity. Common Epsom salt found at your local drug or grocery store can be used to raise magnesium levels in your tank. Epsom salt is magnesium sulfide and hobbyists have been using to successfully raise magnesium levels in their tanks for years. Mix the Epsom salt in a small bowl with some RO/DI water and stir until fully dissolved, then poor it into a high flow area of your tank. A small box of Epsom salts shouldn't cost you more than a few dollars and depending on your tank size will last for a few months.
Low cost PH and dKH buffers
Many different commercial products are available to increase and buffer PH in your saltwater system. As with the supplements we discussed earlier, these products can become fairly expensive. A really excellent and inexpensive alternative is to take Arm and Hammer baking soda and mix it with 20 mule team laundry booster. The mix ratio should be 4 parts baking soda to 1 parts laundry booster. This mix will raise your PH without having a significant impact of your dKH (Carbonate Hardness). Another option is to use Arm and Hammer washing soda to increase your PH. This is also a good solution, but tends to raise your dKH more than using the 4:1 mixture of baking soda and 20 mule laundry booster. Many hobbyists use just baking soda. While this will raise the PH, it will also raise your dKH at the same time. Pure baking soda should only be used in emergencies.
Corals
I love my corals almost as much as my fish, but corals can be really expensive depending on the type. An often free or very low cost alternative is to join a local aquarium club where they have club frag swaps. Frags are small portions of larger corals that have been properly "cut-off" from the main coral. Frag swaps are where the various club members bring frags of their various corals and exchange them or sell them for small amounts. Not only does this give you a chance to cut back those corals that are overtaking your tank, but it gives you a chance to exchange them for some new corals.
How about you? What tips and/or suggestions do you have for homemade additives, ways to find discount or low-cost equipment, or any other part of the hobby. Share your money saving tip by adding a comment!
Saul is a saltwater aquarium hobbyist and writes about his personal saltwater adventure on Saltwater Blogger.net. If you enjoyed this articles, please head over there. You can also live out his adventures by following him on Twitter.
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