Backyard Aquaponics
A place to discuss aquaponics

Was thinking of taking a sample to the local pool shop.

ok I took a sample to the friendly pool shop, he said the water has 2 - 3 ppt salt.

is this too much?

Also those salinity refractometer's read at +- 1ppt is that accurate enough?

That is quite ok Slowboat.3ppt should be fine unless you are growing strawberries.

thanks Faye, I was thinking of putting in some strawberry's.

how much salt can Strawberries take?

2ppt... 3ppt for a short while....

plants are still looking sad.

NH3 NH4 is going down - 0.25ppm, nitrite 5ppm+, nitrate 5ppm, ph 8.2,

Still waiting for the SP, will the extra fish help?

looks like your media is pretty damp/wet.. the top layer (1" or so) of your growbed should be dry..

it had been raining just before I took the photo.

Normally water is no more than 30mm below surface.
pump is on for 15min, off 45min

lost some more seedlings yesterday

could the crickets be eating them? Wiki says they eat "some seedlings"

I haven't seen other bugs in my system.

pic is from google images.

Katydids are a green grasshopper that eat big holes in the leaves and they seem to be over active overnight . Perhaps come out tonight with a torch and look for slugs and slaters as well.

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thanks Faye, i have been looking for snails etc and found none?

I put some beer traps in the grow beds and caught nil.

but there is a lot of crickets.

the fish nibble on the crickets but don't seem to keen on eating them.

got some pics of the suspects.

from wiki "Crickets are omnivorous scavengers who feed on organic materials, including decaying plant material, fungi, and some seedling plants"

Gees slowboat thats a great looking crop of crickets you have going there.

there been a lot of talk about people eating insects latley. You may be on to something there.

thanks BF, wonderful to be able to grow something to feed the multitudes.

now shall I fry them or go for the chocolate coating?

hey the roof cap tile is it made out of concrete...?

If so it will most likely be leaching lime into the water which will push the pH up..

It will do so for a time then slowly reduce..

Juergen..