Yes, you can add new DRY rock to an established reef tank. Dry rock is a popular option for aquarium hobbyists because it is less expensive and easier to handle than live rock. It can also be easier to find and purchase. It is generally safer to add this to your reef tank than live rock from the ocean or another tank.
When adding dry rock to an established reef tank, it is important to follow a few guidelines to ensure that the process is successful and does not harm the existing aquatic life in the tank.
First, you should clean and cure the dry rock before adding it to the tank. You’ll want to remove any contaminants. The established reef rock in the tank should colonize the new rock with bacteria no problem…. usually.
Next, you should place the dry rock in the tank in a way that does not disturb the existing live rock and coral formations. It is also important to ensure that the new rock does not create any dead spots in the water flow, as this can affect the health of the aquatic life in the tank.
After the dry rock is added to the tank, it is important to monitor the water parameters closely. There may be a small fluctuations in nitrate and phosphate levels initially, as the beneficial bacteria colonize the rock and break down organic matter. This should return to normal levels after a few weeks.
In conclusion, adding dry rock to an established reef tank can be a great way to increase the beauty and diversity of your aquarium. Just be sure to follow the proper steps and monitor the water parameters closely to ensure the health and well-being of your aquatic life.
Caution would be advised for someone looking to add live rock to their established reef tank.