Folks, if you've recently upgraded or renewed your annual club membership but it's still not active, please reach out to the BOD or a moderator. The PayPal system has a slight bug which it doesn't allow it to activate the account on it's own.
Both options take the same approach to testing and maintaining your reef aquarium. In both cases you will get very accurate test results along with a full line of additives to maintain optimal parameters in your aquarium. ATI Lab does, however, have some great benefits over the competition.
$10 cheaper and includes a pre-paid shipping label along with a no-cost RO/DI water test.
43 parameters are tested including Alkalinity, Nitrate, and Salinity