brackish water is freshwater mixed with sea water. you have to add in marine salt mix to achieve brackish conditions, not aquarium salt.
for the algae - how long do you leave the lights on?
more water changes will reduce algae by removing available food (nitrates) from the water. feeding your fish less - once every other day - will stop excess nutrients from being in the tank in the first place.
for the algae - how long do you leave the lights on?
more water changes will reduce algae by removing available food (nitrates) from the water. feeding your fish less - once every other day - will stop excess nutrients from being in the tank in the first place.