Dechlorination
Tap water straight from the hose is dangerous to fish and to the bacteria a pond depends on, because of the chlorine or chloramine added to make it safe to drink. The Fix A dechlorinator (sold as a liquid conditioner)…
Lokorio
Certified Aquaculture Expert & Founder, Memeilo PondsMoses Lokorio is a certified aquaculture expert with over 6 years of hands-on experience helping fish-pond builders create healthy, balanced pond ecosystems. At Memeilo.com, he writes detailed, data-driven guides to simplify pond construction, maintenance, and fish care for DIYers and professionals alike.
Cycling
“How long until my pond is ready for fish?” is the single most common question about cycling, a new pond establishing its bacteria colony for the first time. The Honest Timeframe Typically 4 to 6 weeks, sometimes longer in cold…
UV Sterilizer
If pond water keeps turning green no matter how often it’s cleaned, a UV sterilizer is usually the fix, not another filter. What It Actually Fixes UV sterilizers kill free-floating algae cells and some pathogens as water passes through, which…
Recirculating Aquaculture System (RAS)
A recirculating aquaculture system (RAS) is a setup that filters and reuses the same water continuously, rather than relying on a pond’s natural volume and water exchange. How It Differs From a Pond A pond leans on natural bacteria, plants,…
Mortality Rate
Mortality rate is the percentage of stocked fish that die over a given period, and it’s one of the clearest early-warning signs something is wrong. What Counts as Normal Some loss is expected, especially right after stocking new fingerlings, which…
Pond Liner
A pond liner is what actually holds the water, and getting the material, thickness, and size right matters more than almost any other single decision in building a pond, since fixing a liner mistake later means draining and rebuilding, not…
Ich (White Spot Disease)
Small white spots scattered across a fish’s body and fins, like it’s been sprinkled with salt, is the telltale sign of ich. It’s caused by a parasite (Ichthyophthirius multifiliis) that’s one of the most common diseases in both ponds and…
Hatchery
Buying young fish from a hatchery, rather than trying to breed your own, is how most farmers and pond owners actually stock a pond. A hatchery is a facility that breeds and rears fish through their earliest, most fragile life…
Water Change
A water change means replacing part of a pond’s water with fresh, dechlorinated water, and it’s the one routine maintenance task that catches problems no filter, however good, is designed to solve. What Filtration Doesn’t Remove A well-running biofilter converts…
Turbidity
Simple definition: Turbidity is how cloudy or murky pond water is, caused by suspended particles like algae, silt, or waste. Detailed Explanation Turbidity can come from a new algae bloom, disturbed substrate, or an undersized filter struggling to keep up…