FAQs

An enclosed ecosystem is a self-sustaining, sealed habitat where organisms like shrimp, snails, algae, and bacteria interact in a balanced cycle. It requires minimal external input, relying on natural processes like photosynthesis and nutrient cycling to function.

ʻŌpae ʻula (Halocaridina rubra) are small, hardy, red-colored shrimp native to Hawaii’s anchialine pools. They thrive in brackish water and can survive in low-oxygen environments, making them ideal for enclosed ecosystems.

Snails help by eating excess algae and detritus, keeping the water clean. They also contribute to the nutrient cycle by producing waste that feeds beneficial bacteria and microalgae.

No, if the ecosystem is well-balanced. Algae and biofilm naturally grow in the system, providing sufficient food. However, if the ecosystem appears depleted, a tiny amount of supplemental food (like spirulina powder) can be added sparingly.

• Algae and bacteria produce oxygen through photosynthesis during the day.

• At night, the organisms rely on stored oxygen.

• ʻŌpae ʻula shrimp have a low oxygen demand, allowing them to thrive even when oxygen levels fluctuate.

Yes, but indirect sunlight or low-intensity artificial light is best. Too much light can lead to excessive algae growth, while too little can hinder oxygen production. 6-8 hours of light per day is ideal.

It’s best to only include ʻŌpae ʻula shrimp and compatible snails. Other species, like fish or larger shrimp, could overconsume algae, create excess waste, or disrupt the delicate balance.

• A slight haze at the beginning is normal as bacteria establish.

• Excessive cloudiness could indicate overgrowth of bacteria or algae.

• Reduce light exposure and avoid adding food to help rebalance the system.

If properly set up, a 60oz enclosed ecosystem can last for years with little to no maintenance! Some well-maintained systems have remained stable for over 10 years.

Yes, but successful breeding is rare in fully enclosed systems. The larvae require microscopic plankton to survive, which may not be present in a closed system.

A few deaths are natural over time. If multiple shrimp/snails die suddenly, check for:

• Water quality issues (salinity, pH changes)

• Lack of oxygen or excess algae

• Contaminants (soaps, chemicals, heavy metals)

If necessary, you can carefully open the system, remove decomposing matter, and make slight water adjustments.

PLEASE REACH OUT IF THIS HAPPENS.

Yes, but only if absolutely necessary. Opening it too often disrupts the balance, allowing external contaminants in. If adjustments are required, do so gradually to avoid shocking the organisms.

• Overexposing to direct sunlight (causes excessive algae growth)

• Using untreated tap water (chlorine and heavy metals can harm shrimp)

• Adding too many snails (can overconsume algae)

• Overfeeding (leads to waste buildup and poor water quality)