Backyard Aquaponics
A place to discuss aquaponics

nice place, where is Algarve?

I like to overbuild stuff, so i would go with bathtubs or blue barrels. Alternativly perhaps if the cost and effort are not too much concrete.
What is suitable and cheap in one place may be impractical and expensive in another.

Duckpond... South Western tip of Portugal ... on the coast, not far from Montenegro

Halfway between Lisboa and Gibraltar...

http://maps.euroave.com/index_map.php?g ... ty=algrave

Algarve is tourist place whit 30 golf fields ,lots of resorts,good food an only 2 hours from Londom , so lots of UK people whit second home,
very good wether, is the place in EU whit more suny days .
blue barrels is hard to get , so i gone use bahtubs and what else i can get from my father yard .
See if this is doable.using 2 pumps ,1 work 1/2 H for the GB and tham stop and start other pump also 1/2H to 150mm pvc pipe over the tank that way there is always some water movement .
iam afraid of summer months, gets to hot

I love reading accents You get such a different view on life

This sounds like a great project Zix, don't be too afraid of summer. What was your top daytime temperature again? We get low 30oC most days in summer and peak at about 38oC (usually) our 10,000L tank only got up to about 31oC.

usualy is this the average temps
Air temperature in summer: 24ºC to 29ºC
Air temperature in winter: 15ºC to 18ºC
Seawater temperature in summer: 21ºC to 24ºC
Seawater temperature in winter: 15ºC to 19ºC
but 2 years ago i got 42c in summer and snow up in the hills ,the first time in 50 years

Just make sure you have some shade or a cover for your tank and I expect you should be fine most of the time. If you get a real extreme heat wave, make sure you have some extra bubbles running for the fish and perhaps some extra shading for the grow beds. It sounds like you have some pretty perfect weather most of the time though! Tilapia are definitely tropical fish so they should be just fine other than your rare heat wave!